# Casio FX-9860G AU Manual

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### About

**Casio (FX9860G) Calculator Graphing**

Graphing - Casio

__Details__**Brand**: CASIO

**Part Number**: FX9860G

Here you can find all about Casio FX-9860G AU, for example manual and driver, update, programs, emulator download, graphics calculator, emulator, price, games. You can also write a review. [

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# Video review

## Casio fx 9860G calculator GAMES

### User reviews and opinions

ses2 |
2:24am on Sunday, October 17th, 2010 |

SUPERB CALCULATOR ITS GREAT CALCULATOR.EASY TO USE AND YOU CAN GET WHAT YOU EXPECT FROM CALCULATOR.ALSO SELLER IS VERY HELPFULL. Great Functionality in a Small Package This model is part of a larger family of calculators. Casio FX-9860G Graphing Calculator very good calculator. particularly useful for a-level exams. | |

jenlyhappy |
7:50am on Friday, October 15th, 2010 |

I bought this graphing calculator for my son who is in high school. I have had to purchase similar items before and they cost me twice as much! I am a high school math teacher. The GSlim is user friendly. I used the TI 83 in one Algebra 2 class and the GSlim in the other Algebra 2 class. | |

LokkusMaid |
10:52am on Thursday, October 14th, 2010 |

i would love to find an affordable scientific/graphing calculator kids need them for physics and other maths | |

jyeh |
8:47am on Sunday, March 14th, 2010 |

Great calculator Bought this for stats classes and its excellent. I like it more than my old (now broken) TI-83. |

Comments posted on www.ps2netdrivers.net are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.

### Documents

Converting a Fraction to Its Decimal Equivalent

While a fraction is shown on the display, press equivalent.

M again to convert back to a fraction.

#### 5 Quick-Start

EXPONENTS

#### Example: 1250 2.065

o. bcfa*c.ag. M and the ^ indicator appears on the display. f. The ^5 on the display indicates that 5 is an exponent. w.

#### 6 Quick-Start

GRAPH FUNCTIONS

The graphing capabilities of this calculator makes it possible to draw complex graphs using either rectangular coordinates (horizontal axis: x ; vertical axis: y) or polar coordinates (angle: ; distance from origin: r). All of the following graphing examples are performed starting from the calculator setup in effect immediately following a reset operation.

Example 1: To graph Y = X(X + 1)(X 2)

#### 1. Press 2. Use

defc to highlight GRAPH, and then press w.

#### 3. Input the formula.

v (v+b) (v -c)w

#### 4. Press

6(DRAW) or w to draw the graph.

Example 2: To determine the roots of Y = X(X + 1)(X 2)

#### !5(G-SLV).

7 Quick-Start

1(ROOT). Press e for other roots.

Example 3: Determine the area bounded by the origin and the X = 1 root obtained for Y = X(X + 1)(X 2)

#### !5(G-SLV)6(g).

3(dx).

#### 3. Use

d to move the pointer to the location where X = 1, and then press w. Next, use e to

move the pointer to the location where X = 0, and then press

w to input the integration range,

which becomes shaded on the display.

#### 8 Quick-Start

DUAL GRAPH

With this function you can split the display between two areas and display two graph windows.

Example: To draw the following two graphs and determine the points of intersection

Y1 = X(X + 1)(X 2) Y2 = X + 1.2

#### !mcc1(G+G)

to specify G+G for the Dual Screen setting.

J, and then input the two functions. v(v+b) (v-c)w v+b.cw 6(DRAW) or w to draw the graphs.

#### 3. Press

Box Zoom

Use the Box Zoom function to specify areas of a graph for enlargement. 1. Press

#### !2(ZOOM) 1(BOX).

2. Use to move the pointer to one corner of the area you want to specify and. then press

#### defc w

9 Quick-Start

3. Use to move the pointer again. As you do, a box appears on the display. Move the pointer so the box encloses the area you want to enlarge.

4. Press , and the enlarged area appears in the inactive (right side) screen.

#### DYNAMIC GRAPH

Dynamic Graph lets you see how the shape of a graph is affected as the value assigned to one of the coefficients of its function changes.

u Option menu in the RUN MAT or PRGM mode

{LIST}. {list function menu} {MAT}. {matrix operation menu} {CPLX}. {complex number calculation menu} {CALC}. {functional analysis menu} {STAT}. {paired-variable statistical estimated value menu} {HYP}. {hyperbolic calculation menu} {PROB}. {probability/distribution calculation menu} {NUM}. {numeric calculation menu} {ANGL}. {menu for angle/coordinate conversion, DMS input/conversion} {ESYM}. {engineering symbol menu} {PICT}. {picture memory menu}*1 {FMEM}. {function memory menu}*1 {LOGIC}. {logic operator menu} {CAPT}. {screen capture menu}

# The option (OPTN) menu does not appear during binary, octal, decimal, and hexadecimal calculations.

*1 The PICT, FMEM and CAPT items are not

displayed when Math is selected as the Input Mode.

#### 1-4-2 Option (OPTN) Menu

u Option menu during numeric data input in the STAT, TABLE, RECUR, EQUA and S SHT modes

{LIST}/{CPLX}/{CALC}/{HYP}/{PROB}/{NUM}/{ANGL}/{ESYM}/{FMEM}/{LOGIC}

u Option menu during formula input in the GRAPH, DYNA, TABLE, RECUR and EQUA modes

{List}/{CALC}/{HYP}/{PROB}/{NUM}/{FMEM}/{LOGIC}

The following shows the function menus that appear under other conditions.

u Option menu when a number table value is displayed in the TABLE or RECUR mode

{LMEM} {list memory menu} { }/{ENG}/{ENG} The meanings of the option menu items are described in the sections that cover each mode.

1-5-1 Variable Data (VARS) Menu

1-5 Variable Data (VARS) Menu

To recall variable data, press J to display the variable data menu. {V-WIN}/{FACT}/{STAT}/{GRPH}/{DYNA}/ {TABL}/{RECR}/{EQUA*1}/{TVM*1} See 8-7 PRGM Mode Command List for details on the variable data (VARS) menu.

u V-WIN Recalling V-Window values

{X}/{Y}/{T, }. {x-axis menu}/{y-axis menu}/{T, menu} {R-X}/{R-Y}/{R-T, }. {x-axis menu}/{y-axis menu}/{T, menu} for right side of Dual Graph {min}/{max}/{scal}/{dot}/{ptch}. {minimum value}/{maximum value}/{scale}/{dot value*2}/{pitch}

u FACT Recalling zoom factors

{Xfact}/{Yfact}. {x-axis factor}/{y-axis factor}

*1 The EQUA and TVM items appear only when you access the variable data menu from the RUN MAT, PRGM or e ACT mode. # The variable data menu does not appear if you press J while binary, octal, decimal, or hexadecimal is set as the default number system.

(1 + 2i) + (2 + 3i) = 3 + 5i

#### (2 + i) (2 i) = 5

*1 (2+3)E2 does not produce the correct result. Be sure to enter this calculation as shown. *2 Final closed parentheses (immediately before operation of the w key) may be omitted, no matter how many are required.

*3 A multiplication sign immediately before an open parenthesis may be omitted. *4 This is identical to 6 / 4 / 5 w.

#### 2-1-2 Basic Calculations

k Number of Decimal Places, Number of Significant Digits, Normal Display Range [SET UP]- [Display] -[Fix] / [Sci] / [Norm]

Even after you specify the number of decimal places or the number of significant digits, internal calculations are still performed using a 15-digit mantissa, and displayed values are stored with a 10-digit mantissa. Use Rnd of the Numeric Calculation Menu (NUM) (page 2-4-1) to round the displayed value off to the number of decimal place and significant digit settings. Number of decimal place (Fix) and significant digit (Sci) settings normally remain in effect until you change them or until you change the normal display range (Norm) setting.

= 16.66666666. Operation 100/6w Display 16.66666667 *1 16.6667 *1 1.6667E+01

#### Condition

4 decimal places

!m(SET UP) f (or c 12 times) 1(Fix)ewJw !m(SET UP) f (or c 12 times) 2(Sci)fwJw !m(SET UP) f (or c 12 times) 3(Norm)Jw

#### 5 significant digits

Cancels specification

#### 16.66666667

*1 Displayed values are rounded off to the place you specify.

#### 2-1-3 Basic Calculations

3 decimal places

Calculation continues using display capacity of 10 digits

If the same calculation is performed using the specified number of digits: 200/7w The value stored internally is rounded off to the number of decimal places specified on the Setup screen. You can also specify the number of decimal places for rounding of internal values for a specific calculation.*1 (Example: To specify rounding to two decimal places) K6(g)4(NUM)4(Rnd)w * 14w 200/7w 6(RndFi)!-(Ans),2) w * 14w 28.571 28.571 Ans 399.994 28.571 RndFix(Ans,2) 28.570 Ans 399.980

k Calculation Priority Sequence

This calculator employs true algebraic logic to calculate the parts of a formula in the following order: 1 Type A functions Coordinate transformation Pol (x, y), Rec (r, ) Derivatives, second derivatives, integrations, calculations d/dx, d2/dx2, dx, , Mat, Solve, FMin, FMax, List Mat, Seq, Min, Max, Median, Mean, Augment, Mat List, P(, Q(, R(, t(, List, RndFix, log ab Composite functions*2 fn, Yn, rn, Xtn, Ytn, Xn

# Integration calculations can take a long time to complete. # You cannot use a differential, quadratic differential, integration, , maximum/minimum value, Solve, RndFix or log ab calculation expression inside of an integration calculation term.

2-5-9 Numerical Calculations

Note the following points to ensure correct integration values. (1) When cyclical functions for integration values become positive or negative for different divisions, perform the calculation for single cycles, or divide between negative and positive, and then add the results together.

Positive part (S) Negative part (S)

#### f(x)dx =

f(x)dx + (

#### f(x)dx)

Positive part ( S)

#### Negative part ( S)

(2) When minute fluctuations in integration divisions produce large fluctuations in integration values, calculate the integration divisions separately (divide the large fluctuation areas into smaller divisions), and then add the results together.

#### f(x)dx +

f(x)dx +..+

#### f(x)dx

# Pressing A during calculation of an integral (while the cursor is not shown on the display) interrupts the calculation. # Always use radians (Rad mode) as the angle unit when performing trigonometric integrations.

# An error (Time Out) occurs whenever no solution that satisfies the tolerance value can be obtained.

2-5-10 Numerical Calculations

#### k Calculations

[OPTN]-[CALC]-[ ]

To perform calculations, first display the function analysis menu, and then input the values using the syntax below. K4(CALC)6(g)3(( ) a k , k , , , n )

#### (a , k, , , n) = a = a

+ a +1 +.+ a

(n: distance between partitions)

# The value of the specified variable changes during a calculation. Be sure to keep separate written records of the specified variable values you might need later before you perform the calculation. # You can use only one variable in the function for input sequence ak.

To calculate the following:

#### 3k + 5)

Use n = 1 as the distance between partitions. AK4(CALC)6(g)3(( )a,(K) x-da,(K)+f, a,(K),c,g,b)w <Math> A4(MATH)6(g)2(( )a,(K) x-da,(K)+fe a,(K)ecfgw

# Input integers only for the initial term () of sequence ak and last term () of sequence ak. # Input of n and the closing parentheses can be omitted. If you omit n, the calculator automatically uses n = 1. # In the Math input mode, the distance between partitions (n) is fixed at 1 and cannot be changed.

2-5-11 Numerical Calculations

u Calculation Applications

Arithmetic operations using calculation expressions Expressions: Possible operations:

#### Sn = ak, Tn = bk

k=1 k=1

#### Sn + Tn, Sn Tn, etc.

Arithmetic and function operations using calculation results

#### 2 Sn, log (Sn), etc.

Function operations using calculation terms (ak, k)

u To calculate the cumulative frequency of each data item

[OPTN]-[LIST]-[Cuml] K1(LIST)6(g)6(g)3(Cuml)6(g)1(List) <list number 1-26>w The result of this operation is stored in ListAns Memory. Example To calculate the cumulative frequency of each data item in List 1 (2, 3, 6, 5, 4)

AK1(LIST)6(g)6(g)3(Cuml) 6(g)1(List)bw

2+3= 2+3+6= 2+3+6+5= 2+3+6+5+4=

u To calculate the percentage represented by each data item

[OPTN]-[LIST]-[%] K1(LIST)6(g)6(g)4(%)6(g)1(List)<list number 1-26>w The above operation calculates what percentage of the list total is represented by each data item. The result of this operation is stored in ListAns Memory.

3-2-8 Manipulating List Data

u To calculate the differences between neighboring data inside a list

[OPTN]-[LIST]-[A] A K1(LIST)6(g)6(g)5(A)<list number 1-26>w The result of this operation is stored in ListAns memory.

# You can specify the storage location in list memory for a calculation result produced by a list calculation whose result is stored in ListAns memory. For example, specifying AList 1 List 2 will store the result of AList 1 in List 2.

To calculate the percentage represented by each data item in List 1 (2, 3, 6, 5, 4)

AK1(LIST)6(g)6(g)4(%) 6(g)1(List)bw

2/(2+3+6+5+4) 100 = 3/(2+3+6+5+4) 100 = 6/(2+3+6+5+4) 100 = 5/(2+3+6+5+4) 100 = 4/(2+3+6+5+4) 100 =

To calculate the difference between the data items in List 1 (1, 3, 8, 5, 4)

#### AK1(LIST)6(g)6(g)5(A) bw

31= 83= 58= 45=

# The number of cells in the new AList is one less than the number of cells in the original list. # An error occurs if you execute AList for a list that has no data or only one data item.

3-3-1 Arithmetic Calculations Using Lists

3-3 Arithmetic Calculations Using Lists

You can perform arithmetic calculations using two lists or one list and a numeric value.

+ ListAns Memory List = Numeric Value List

#### List Numeric Value

Calculation results are stored in ListAns Memory.

#### k Error Messages

Press the J key to clear the error and return to the value that was registered for the coefficient before you input the value that generated the error. Try inputting a new value again.

u Error during calculation

Press the J key to clear the error and display the coefficient. Try inputting values for the coefficients again.

k Clearing Equation Memories

1. Enter the equation calculation mode (SIML or POLY) you want to use and perform the function key operation required for that mode. In the case of the SIML mode (1), use the function keys to specify the number of unknowns. In the case of the POLY mode (2), use the function keys to specify the degree of the polynomial. If you pressed 3(SOLV), advance directly to step 2. 2. Press 2(DEL). 3. Press 1(Yes) to delete the applicable equation memories or 6(No) to abort the operation without deleting anything.

Sections 5-1 and 5-2 of this chapter provide basic information you need to know in order to draw a graph. The remaining sections describe more advanced graphing features and functions. Select the icon in the Main Menu that suits the type of graph you want to draw or the type of table you want to generate. GRAPH General function graphing CONICS Conic section graphing (5-1-5 ~ 5-1-6, 5-11-17~5-11-22) RUN MAT Manual graphing (5-6-1 ~ 5-6-4) TABLE Number table generation (5-7-1 ~ 5-7-16) DYNA Dynamic Graph (5-8-1 ~ 5-8-8) RECUR Recursion graphing or number table generation (5-9-1 ~ 5-9-10) 5-1 5-2 5-3 5-4 5-5 5-6 5-7 5-8 5-9 5-10 5-11 Sample Graphs Controlling What Appears on a Graph Screen Drawing a Graph Storing a Graph in Picture Memory Drawing Two Graphs on the Same Screen Manual Graphing Using Tables Dynamic Graphing Graphing a Recursion Formula Changing the Appearance of a Graph Function Analysis

k How to draw a simple graph (1)

To draw a graph, simply input the applicable function.

1. From the Main Menu, enter the GRAPH mode.

#### 5-1-3 Sample Graphs

k How to draw a simple graph (2)

You can store up to 20 functions in memory and then select the one you want for graphing.

Press A, J or !J(QUIT) to return to the statistical data list.

k Histogram (Bar Graph) (Hist)

XList specifies the list where the data is input, while Freq specifies the list where the data frequency is input. 1 is specified for Freq when frequency is not specified.

#### w(Draw)

The display screen appears as shown above before the graph is drawn. At this point, you can change the Start and Width values.

6-2-2 Calculating and Graphing Single-Variable Statistical Data

#### k Med-box Graph (MedBox)

This type of graph lets you see how a large number of data items are grouped within specific ranges. A box encloses all the data in an area from the first quartile (Q1) to the third quartile (Q3), with a line drawn at the median (Med). Lines (called whiskers) extend from either end of the box up to the minimum (minX) and maximum (maxX) of the data. From the statistical data list, press 1(GRPH) to display the graph menu, press 6(SET), and then change the graph type of the graph you want to use (GPH1, GPH2, GPH3) to med-box graph.

#### Q1 Med Q3

To plot the data that falls outside the box, first specify MedBox as the Graph Type. Then, on the same screen you use to specify the graph type, turn the Outliers item On, and draw the graph.

6-2-3 Calculating and Graphing Single-Variable Statistical Data

k Normal Distribution Curve (N Dis)

The normal distribution curve is graphed using the following normal distribution function.

#### 1 (2 ) xn

(xx) 2 2xn 2

k Broken Line Graph (Brkn)

Lines connect center points of a histogram bar. XList specifies the list where the data is input, while Freq specifies the list where the data frequency is input. 1 is specified for Freq when frequency is not specified.

6-2-4 Calculating and Graphing Single-Variable Statistical Data

k Displaying the Calculation Results of a Drawn Single-Variable Graph

Single-variable statistics can be expressed as both graphs and parameter values. When these graphs are displayed, the single-variable calculation results appear as shown below when you press 1(1VAR).

u To specify statistical calculation data lists

You have to input the statistical data for the calculation you want to perform and specify where it is located before you start a calculation. Display the statistical data and then press 2(CALC)6(SET).

The following is the meaning for each item. 1Var XList. location of single-variable statistic x values (XList) 1Var Freq. location of single-variable frequency values (Frequency) 2Var XList. location of paired-variable statistic x values (XList) 2Var YList. location of paired-variable statistic y values (YList) 2Var Freq. location of paired-variable frequency values (Frequency) Calculations in this section are performed based on the above specifications.

6-4-2 Performing Statistical Calculations

k Single-Variable Statistical Calculations

In the previous example under Displaying the Calculation Results of a Drawn SingleVariable Graph, statistical calculation results were displayed after the graph was drawn. These were numeric expressions of the characteristics of variables used in the graphic display. These values can also be directly obtained by displaying the statistical data list and pressing 2(CALC)1(1VAR).

After this, pressing f or c scrolls the statistical calculation result display so you can view variable characteristics. For details on the meanings of these statistical values, see Displaying the Calculation Results of a Drawn Single-Variable Graph (page 6-2-4).

k Paired-Variable Statistical Calculations

In the previous example under Displaying the Calculation Results of a Drawn PairedVariable Graph, statistical calculation results were displayed after the graph was drawn. These were numeric expressions of the characteristics of variables used in the graphic display. These values can also be directly obtained by displaying the statistical data list and pressing 2(CALC)2(2VAR).

After this, pressing f or c scrolls the statistical calculation result display so you can view variable characteristics. For details on the meanings of these statistical values, see Displaying the Calculation Results of a Drawn Paired-Variable Graph (page 6-3-11).

6-4-3 Performing Statistical Calculations

#### k Regression Calculation

In the explanations from Linear Regression Graph to Logistic Regression Graph, regression calculation results were displayed after the graph was drawn. Here, each coefficient value of the regression line or regression curve is expressed as a number. You can directly determine the same expression from the data input screen. Pressing 2(CALC)3(REG) displays a function menu, which contains the following items. {X}/{Med}/{X^2}/{X^3}/{X^4}/{Log}/{Exp}/{Pwr}/{Sin}/{Lgst}. {linear regression}/{Med-Med}/{quadratic regression}/{cubic regression}/ {quartic regression}/{logarithmic regression}/{exponential regression}/ {power regression}/{sinusoidal regression}/{logistic regression} parameters Example

x1n-1.. n1.. x2n-1.. n2..

standard deviation (x1n-1 > 0) of sample 1 size (positive integer) of sample 1 standard deviation (x2n-1 > 0) of sample 2 size (positive integer) of sample 2

#### 6-5-21 Tests

1G2. direction of test

F.. p.. o1.. o2.. x1n-1.. x2n-1.. n1.. n2..

#### F value

p-value mean of sample 1 (Displayed only for Data: List setting.) mean of sample 2 (Displayed only for Data: List setting.) standard deviation of sample 1 standard deviation of sample 2 size of sample 1 size of sample 2

You can use the following graph analysis functions after drawing a graph. 1(F). Displays F value. Pressing 1(F) displays the F value at the bottom of the display, and displays the pointer at the corresponding location in the graph (unless the location is off the graph screen). Two points are displayed in the case of a two-tail test. Use d and e to move the pointer. Press J to clear the F value. 2(P). Displays p-value. Pressing 2(P) displays the p-value at the bottom of the display without displaying the pointer. Press J to clear the p-value.

# [Save Res] does not save the 1 condition in line 2. # V-Window settings are automatically optimized for drawing the graph.

# Executing an analysis function automatically stores the F and p values in alpha variables F and P, respectively.

#### 6-5-22 Tests

k ANOVA

ANOVA tests the hypothesis that the population means of the samples are equal when there are multiple samples. One-Way ANOVA is used when there is one independent variable and one dependent variable. Two-Way ANOVA is used when there are two independent variables and one dependent variable. Perform the following key operations from the statistical data list. 3(TEST) 5(ANOV)

The following is the meaning of each item in the case of list data specification. How Many. selects One-Way ANOVA or Two-Way ANOVA (number of levels) Factor A.. category list (List 1 to 26) Dependnt.. list to be used for sample data (List 1 to 26) Save Res.. first list for storage of calculation results (None or List 1 to 22)*1 Execute.. executes a calculation or draws a graph (Two-Way ANOVA only) The following item appears in the case of Two-Way ANOVA only. Factor B.. category list (List 1 to 26) After setting all the parameters, use c to move the highlighting to Execute and then press one of the function keys shown below to perform the calculation or draw the graph. 1(CALC). Performs the calculation. 6(DRAW). Draws the graph (Two-Way ANOVA only). Calculation results are displayed in table form, just as they appear in science books.

#### 6-5-25 Tests

u Input Example

#### u Results

6-6-1 Confidence Interval

#### 6-6 Confidence Interval

A confidence interval is a range (interval) that includes a statistical value, usually the population mean. A confidence interval that is too broad makes it difficult to get an idea of where the population value (true value) is located. A narrow confidence interval, on the other hand, limits the population value and makes it difficult to obtain reliable results. The most commonly used confidence levels are 95% and 99%. Raising the confidence level broadens the confidence interval, while lowering the confidence level narrows the confidence level, but it also increases the chance of accidently overlooking the population value. With a 95% confidence interval, for example, the population value is not included within the resulting intervals 5% of the time. When you plan to conduct a survey and then t test and Z test the data, you must also consider the sample size, confidence interval width, and confidence level. The confidence level changes in accordance with the application. 1-Sample Z Interval calculates the confidence interval for an unknown population mean when the population standard deviation is known. 2-Sample Z Interval calculates the confidence interval for the difference between two population means when the population standard deviations of two samples are known. 1-Prop Z Interval calculates the confidence interval for an unknown proportion of successes. 2-Prop Z Interval calculates the confidence interval for the difference between the propotion of successes in two populations. 1-Sample t Interval calculates the confidence interval for an unknown population mean when the population standard deviation is unknown. 2-Sample t Interval calculates the confidence interval for the difference between two population means when both population standard deviations are unknown. On the initial STAT mode screen, press 4(INTR) to display the confidence interval menu, which contains the following items. 4(INTR)1(Z). Z intervals (page 6-6-3) 2(t). t intervals (page 6-6-8)

# There is no graphing for confidence interval functions.

6-6-2 Confidence Interval

u General Confidence Interval Precautions

Inputting a value in the range of 0 < C-Level < 1 for the C-Level setting sets you value you input. Inputting a value in the range of 1 < C-Level < 100 sets a value equivalent to your input divided by 100.

# Inputting a value of 100 or greater, or a negative value causes an error (Ma ERROR).

6-6-3 Confidence Interval

#### k Z Interval

u 1-Sample Z Interval

1-Sample Z Interval calculates the confidence interval for an unknown population mean when the population standard deviation is known. The following is the confidence interval.

Left = o Z 2 n Right = o + Z 2 n

However, is the level of significance. The value 100 (1 ) % is the confidence level. When the confidence level is 95%, for example, inputting 0.95 produces 1 0.95 = 0.05 =. Perform the following key operations from the statistical data list. 4(INTR) 1(Z) 1(1-S)

The following shows the meaning of each item in the case of list data specification. Data.. data type C-Level. confidence level (0 < C-Level < 1)

.. population standard deviation ( > 0)

List.. list whose contents you want to use as sample data (List 1 to 26) Freq.. sample frequency (1 or List 1 to 26) Save Res.. list for storage of calculation results (None or List 1 to 26) Execute.. executes a calculation The following shows the meaning of parameter data specification items that are different from list data specification.

6-6-4 Confidence Interval

After setting all the parameters, use c to move the highlighting to Execute and then press the function key shown below to perform the calculation. 1(CALC). Performs the calculation. Calculation Result Output Example

Left.. confidence interval lower limit (left edge) Right.. confidence interval upper limit (right edge)

o.. mean of sample xn-1.. sample standard deviation

#### u 2-Sample Z Interval

2-Sample Z Interval calculates the confidence interval for the difference between two population means when the population standard deviations of two samples are known. The following is the confidence interval. is the level of significance. The value 100 (1 ) % is the confidence level.

Left = (o1 o2) Z 2 Right = (o1 o2) + Z 2

#### + n1 n22 + n1 n2

Perform the following key operations from the statistical data list. 4(INTR) 1(Z) 2(2-S)

6-6-5 Confidence Interval

1.. population standard deviation of sample 1 (1 > 0) 2.. population standard deviation of sample 2 (2 > 0)

List(1). list whose contents you want to use as data of sample 1 (List 1 to 26) List(2). list whose contents you want to use as data of sample 2 (List 1 to 26) Freq(1). frequency of sample 1 (1 or List 1 to 26) Freq(2). frequency of sample 2 (1 or List 1 to 26) Save Res.. list for storage of calculation results (None or List 1 to 26) Execute.. executes a calculation The following shows the meaning of parameter data specification items that are different from list data specification.

u To toggle between the eActivity workspace screen and the application screen called up from a strip

Press !a('). This will toggle between the two screens, displaying one in the front and sending the other to the back.

# If you select a Conics Graph strip and press w without inputting any graph data, the Conics Editor screen appears in place of the Conics Graph screen.

10-3-13 Inputting and Editing eActivity File Data

u To switch from an application screen called up from a strip to another application screen

Press !,(,). On the application list that appears, use f and c to highlight the name of the screen to which you want to switch, and then press w.

k Practical Strip Examples

This section provides real-life examples of how to insert strips into the eActivity workspace screen, how to call up an application screen from a strip, and how to input data.

#### u Graph Strip Example

This example shows how to create a Graph strip to graph the function y = x2.

#### Things to remember.

Though the graph screen is called up from the Graph strip, you need to switch to the Graph Editor screen to input the function.

u To create a Graph strip

1. On the eActivity workspace screen, press 2(STRP), select Graph from the strip list that appears, and then press w. This will insert a Graph strip. 2. Input the strip title, and then press w. Here we will input Graph draw.

# For an actual example about how to switch applications, see Table Editor Strip Example (page 10-3-15).

# Even after using !,(,) to switch a strip to another application, you can still use !a(') to toggle between the eActivity workspace screen and the application screen.

10-3-14 Inputting and Editing eActivity File Data

3. Press w to call up the graph screen. Since you have not input any data yet, the graph screen that appears will be blank. 4. Press !6(GT) to display the Graph Editor screen. This will display the current Graph strips Graph relation list. Since this list is independent of the GRAPH mode Graph relation list, it will be blank because this is a new Graph strip. 5. Input the function you want to graph (Y1 = X2 in this example).

1. On the initial MEMORY mode screen press 4(BKUP).

2. Press 1(SAVE). This displays a folder selection screen.

3. Use f and c to select the folder where you want to save the data. 4. Press w to start the backup.

# Backup data is saved in a file named BACKUP.g1m.

#### 12-7-15 MEMORY Mode

The message Complete! appears when the backup operation is finished. Press J to return to the screen displayed in step 1. The following message appears if there is already backup data in the storage memory.

Press 1(Yes) to back up the data, or 6(No) to cancel the backup operation. A Memory Full occurs when there is not enough space available in the storage memory to complete the backup operation.

u To restore backup data to the main memory

1. On the initial MEMORY mode screen press 4(BKUP). On the screen that appears, you can confirm whether or not there is backup data in the storage memory. 2. Press 2(LOAD). This displays the folder selection screen.

3. Use f and c to select a folder.

#### 12-7-16 MEMORY Mode

4. Press w.*1 A message appears to confirm whether or not you really want to restore the backed up data.

Press 1(Yes) to restore the data and delete any data currently in the area. Press 6(No) to cancel the data backup operation. The message Complete! appears when the restore operation is finished. Press J to return to the screen displayed in step 1.

*1 The message No Data will appear if there is no backup data stored in memory. Pressing J will return the screen in step 1.

#### 12-7-17 MEMORY Mode

k Optimizing the Storage Memory

Storage memory can become fragmented after many store and load operations. Fragmentation can cause blocks of memory to become unavailable for data storage. Because of this, you should periodically perform the storage memory optimization procedure, which rearranges the data in the storage memory and makes memory usage more economical.

u To optimize the storage memory

#### (HELP)

To close the help text screen, press 2. Press

(CTGY) to display the category list.

You can skip this step and go straight to step 5, if you want.

3. Use the cursor keys ( (EXE) or.

) to highlight the command category you want, and then press

This displays a list of commands in the category you selected. 1-9

4. Input the first letter of the command you want to input. This will display the first command that starts with that letter. 5. Use the cursor keys ( (INPUT) or. Example , ) to highlight the command you want to input, and then press

To use the Catalog to input the ClrGraph command (CATALOG) (C) ~

#### Pressing

(QUIT) closes the Catalog.

#### To input a command with

1. Press.

#### (fx-9860G Slim only)

This will display the category selection screen.

(EXE). {displays a list of commands in the currently selected category} (EXIT). {exits the category selection screen}

2. Continue from step 3 of the procedure under To use the Catalog to input a command.

4. Using the Math Input/Output Mode

Important! The fx-7400G and fx-9750G are not equipped with a Math input/output mode.

Selecting Math for the Input/Output mode setting on the Setup screen (page 1-29) turns on the Math input/output mode, which allows natural input and display of certain functions, just as they appear in your textbook. The operations in this section all are performed in the Math input/output mode. - The initial default setting for the fx-9860G SD/fx-9860G /fx-9860G AU PLUS is the Math input/output mode. If you have changed to the Linear input/output mode, switch back to the Math input/output mode before performing the operations in this section. See Using the Setup Screen (page 1-26) for information about how to switch modes. - The initial default setting for the fx-9860G Slim/fx-9860G SD/fx-9860G/fx-9860G AU is the Linear input/output mode. Switch to the Math input/output mode before performing the operations in this section. See Using the Setup Screen (page 1-26) for information about how to switch modes. In the Math input/output mode, all input is insert mode (not overwrite mode) input. Note that the (INS) operation (page 1-6) you use in the Linear input/output mode to switch to insert mode input performs a completely different function in the Math input/output mode. For more information, see Using Values and Expressions as Arguments (page 1-14). 1-10

Unless specifically stated otherwise, all operations in this section are performed in the RUN MAT mode.

Input Operations in the Math Input/Output Mode

Using the Clipboard for Copy and Paste in the Math Input/Output Mode

You can copy a function, command, or other input to the clipboard, and then paste the clipboard contents at another location. In the Math input/output mode, you can specify only one line as the copy range. The CUT operation is supported for the Linear input/output mode only. It is not supported for the Math input/output mode.

#### To copy text

1. Use the cursor keys to move the cursor to the line you want to copy. 2. Press 3. Press (CLIP). The cursor will change to . (CPY L) to copy the highlighted text to the clipboard.

#### To paste text

Calculation Operations in the Math Input/Output Mode

This section introduces Math input/output mode calculation examples. For details about calculation operations, see Chapter 2 Manual Calculations.

Performing Function Calculations Using Math Input/Output Mode

Example 6 = 5 ( ) 3 Operation

#### ( 3 ) = 1 (Angle: Rad) 2

(MATH) (x (MATH) 1-18

#### log28 = 3

(logab) 2 )7 ( 123

#### 123 = 1.988647795

2 + 4 = 10 log 3 = 0.1249387366 4

2 + = 1.5 + 2.3i = 3 + 23 i 2 10

#### 5 2.3 (MATH)

3 (i) (d/dx) 6 3

d dx ( x + 4x + x 6 ) x = 3 = 52

2 x 2 + 3 x + 4 dx = 404 3

#### (MATH) 5 (MATH) 5

( dx) 2

#### 3k + 5 = 55

( ) ( ) (K) 2 6

Performing Matrix Calculations Using Math Input/Output Mode

To specify the dimensions (size) of a matrix

1. In the RUN MAT mode, press 2. Press 3. Press (SET UP) (Math). (MATH) to display the MATH menu. (MAT) to display the following menu.

{2 2} {inputs a matrix} {3 3} {inputs a matrix} {m n} {inputs an m-row n-column matrix (up to 6 6)} Example To create a 2-row (m n) 3-column matrix

Specify the number of rows. Specify the number of columns.

#### To input cell values

Example To perform the calculation shown below 4 1-19

The following operation is a continuation of the example calculation on the previous page.

To assign a matrix created using Math input/output mode to a MAT mode matrix

Example To assign the calculation result to Mat J (Mat) (Mat) (Ans) (J)

Pressing the key while the cursor is located at the top (upper left) of the matrix will delete the entire matrix.

Using Graph Modes and the EQUA Mode in the Math Input/Output Mode

Using the Math input/output mode with any of the modes below lets you input numeric expressions just as they are written in your text book and view calculation results in natural display format. Modes that support input of expressions as they are written in textbooks: RUN MAT, e ACT, GRAPH, DYNA, TABLE, RECUR, EQUA (SOLV) Modes that support natural display format: RUN MAT, e ACT, EQUA The following explanations show Math input/output mode operations in the GRAPH, DYNA, TABLE, RECUR and EQUA modes, and natural calculation result display in the EQUA mode. See the sections that cover each calculation for details about its operation. See Input Operations in the Math Input/Output Mode (page 1-11) and Calculation Operations in the Math Input/Output Mode (page 1-18) for details about Math input/output mode input operations and calculation result displays in the RUN MAT mode. e ACT mode input operations and result displays are the same as those in the RUN MAT mode. For information about e ACT mode operations, see Chapter 10 eActivity.

Use reset when you want to delete all data currently in calculator memory and return all mode settings to their initial defaults. Before performing the reset operation, first make a written copy of all important data. For details, see Reset (page 12-3).

#### Low Battery Message

If the following message appears on the display, immediately turn off the calculator and replace batteries as instructed.

If you continue using the calculator without replacing batteries, power will automatically turn off to protect memory contents. Once this happens, you will not be able to turn power back on, and there is the danger that memory contents will be corrupted or lost entirely. You will not be able to perform data communications operations after the low battery message appears. 1-31

Chapter 2 Manual Calculations 1. Basic Calculations

#### Arithmetic Calculations

Enter arithmetic calculations as they are written, from left to right. Use the key to input the minus sign before a negative value. Calculations are performed internally with a 15-digit mantissa. The result is rounded to a 10digit mantissa before it is displayed. For mixed arithmetic calculations, multiplication and division are given priority over addition and subtraction. Example 56 (12) (2.5) = 268.8 (2 + 3) 102 = + 3 (4 + 5) = 5 key) may be omitted, no 2.*1 Operation

#### 6 = 0.3 45

*1 Final closed parentheses (immediately before operation of the matter how many are required.

Number of Decimal Places, Number of Significant Digits, Normal Display Range [SET UP]- [Display] -[Fix] / [Sci] / [Norm]

Even after you specify the number of decimal places or the number of significant digits, internal calculations are still performed using a 15-digit mantissa, and displayed values are stored with a 10-digit mantissa. Use Rnd of the Numeric Calculation Menu (NUM) (page 2-12) to round the displayed value off to the number of decimal place and significant digit settings. Number of decimal place (Fix) and significant digit (Sci) settings normally remain in effect until you change them or until you change the normal display range (Norm) setting. Example 6 = 16.66666666. Operation decimal places 5 significant digits Cancels specification (SET UP) (Fix) (SET UP) (Sci) (SET UP) (Norm) 6 Display 16.66666667

#### Condition

RECUR (V-WIN) (TYPE) (SET) (SEL+S) (TABL) (G CON) After drawing a graph, you can use Trace, Zoom, and Sketch. Press to return to the number table screen. After drawing a graph, you can toggle between the number table screen and graph screen by pressing (G T). (an+1) (a1) ( ) (an)

Graphing a Phase Plot from Two Numeric Sequences

You can draw the phase plot for numeric sequences generated by two expressions input in the RECUR mode with one value on the horizontal axis and the other value on the vertical axis. For an (an+1, an+2), bn (bn+1, bn+2), cn (cn+1, cn+2), the numeric sequence of the alphabetically first expression is on the horizontal axis while the following numeric sequence is on the vertical axis. 1. From the Main Menu, enter the RECUR mode. 2. Configure V-Window settings. 3. Enter two recursion formulas and select both of them for table generation. 4. Configure table generation settings. Specify the start and end values for variable n and the initial term for each recursion formula. 5. Display the recursion formula number table. 6. Draw the phase plot. Example To input the two sequence formulas for regression between two terms an+1 = 0.9an and bn+1 = bn + 0.1n 0.2, and specify initial terms a1 = 1 and b1 = 1 for each. Generate a number table as the value of the n variable goes from 1 to 10 and use it to draw a phase plot. Use the following V-Window settings. Xmin = 0, Ymin = 0, RECUR (V-WIN) (TYPE) (n.an ) (SET) (an+1) (bn) (a1) (an) (n) Xmax = 2, Ymax = 4, Xscale = 1 Yscale = 1

#### (TABL)

(PHAS)

If you enter three expressions on the RECUR mode screen and select all of them for table creation, you will need to specify which two of the three expressions you want to use to draw the phase plot. To do so, use the function menu that appears when you press (PHAS) on the table screen. (a b).. Graph using an (an+1, an+2) and bn (bn+1, bn+2). (b c).. Graph using bn (bn+1, bn+2) and cn (cn+1, cn+2). (a c).. Graph using an (an+1, an+2) and cn (cn+1, cn+2).

Specifying On for the Display of the Setup screen causes the sum of each term to be included in the table. At this time you can select use of the two numeric sequences as-is to draw the plot graph, or use of the sums of each of the two numeric sequences. To do so, use the function menu that appears when you press (PHAS) on the table screen. (an). Use numeric sequence for graphing. ( an).. Use numeric sequence sums for graphing.

When On is selected Display on the Setup screen and all three of the expressions you input in the RECUR mode are selected for table creation, use the function menu that appears when you press (PHAS) on the table screen to specify which two of the expressions you want to use, and to specify whether you want to use numeric sequence data or numeric sequence sum data. (a b).. Graph using number sequences an (an+1, an+2) and bn (bn+1, bn+2) (b c).. Graph using number sequences bn (bn+1, bn+2) and cn (cn+1, cn+2) (a c).. Graph using number sequences an (an+1, an+2) and cn (cn+1, cn+2) ( a b). Graph using the sums of number sequences an (an+1, an+2) and bn (bn+1, bn+2) ( b c). Graph using the sums of number sequences bn (bn+1, bn+2) and cn (cn+1, cn+2) ( a c). Graph using the sums of number sequences an (an+1, an+2) and cn (cn+1, cn+2) 5-25

#### (InvP)

There is no graphing for Inverse Poisson Cumulative Distribution.

When executing the Inverse Poisson Cumulative Distribution calculation, the calculator uses the specified Area value and the value that is one less than the Area value minimum number of significant digits ( Area value) to calculate minimum number of trials values. The results are assigned to system variables xInv (calculation result using Area) and xInv (calculation result using Area). The calculator always displays the xInv value only. However, when the xInv and xInv values are different, the message will appear with both values. The calculation results of Inverse Poisson Cumulative Distribution are integers. Accuracy may be reduced when the first argument has 10 or more digits. Note that even a slight difference in calculation accuracy affects calculation results. If a warning message appears, check the displayed values.

#### Geometric Distribution

Geometric Probability

Geometric Probability calculates the probability at a specific single x-value or each list element, and the number of the trial on which the first success occurs, for the geometric distribution with a specified probability of success. 6-47 (DIST) ( ) (GEO) (GPd)

There is no graphing for Geometric Probability.

Geometric Cumulative Distribution

Geometric Cumulative Distribution calculates the cumulative probability in a geometric distribution that the success will occur on or before a specified trial.

There is no graphing for Geometric Cumulative Distribution.

Inverse Geometric Cumulative Distribution

Inverse Geometric Cumulative Distribution calculates the minimum number of trials of a geometric cumulative probability distribution for specified values.

#### (InvG)

There is no graphing for Inverse Geometric Cumulative Distribution.

When executing the Inverse Geometric Cumulative Distribution calculation, the calculator uses the specified Area value and the value that is one less than the Area value minimum number of significant digits ( Area value) to calculate minimum number of trials values. The results are assigned to system variables xInv (calculation result using Area) and xInv (calculation result using Area). The calculator always displays the xInv value only. However, when the xInv and xInv values are different, the message will appear with both values. The calculation results of Inverse Geometric Cumulative Distribution are integers. Accuracy may be reduced when the first argument has 10 or more digits. Note that even a slight difference in calculation accuracy affects calculation results. If a warning message appears, check the displayed values.

Hypergeometric Distribution

Hypergeometric Probability

#### (DIST) ( ) (H.GEO) (HPd)

Hypergeometric Probability calculates the probability at a specific single x-value or each list element, and the number of the trial on which the first success occurs, for the hypergeometric distribution with a specified probability of success. Calculation Result Output Examples

#### 2. Simple Interest

This calculator uses the following formulas to calculate simple interest.

#### Formula

365-day Mode 360-day Mode

SI' = n PV i 365 SI' = n PV i 360

#### I% 100 I% i= 100

SI = SI' SFV = (PV + SI' )

#### SI : n : PV : I% : SFV :

interest number of interest periods principal annual interest principal plus interest

Press (SMPL) from the Financial 1 screen to display the following input screen for simple interest. (SMPL)

n. number of interest periods (days) I%. annual interest rate PV. principal

After configuring the parameters, use one of the function menus noted below to perform the corresponding calculation. {SI} {simple interest} {SFV} {simple future value}

An error (Ma ERROR) occurs if parameters are not configured correctly. Use the following function menus to maneuver between calculation result screens. {REPT} {parameter input screen} {GRPH} {draws graph}

After drawing a graph, you can press results along the graph.

(TRCE) to turn on trace and read calculation

Each press of while trace is turned on cycles the displayed value in the sequence: present simple interest (SI) simple future value (SFV). Pressing cycles in the value (PV) reverse direction. Press to return to the parameter input screen.

#### 3. Compound Interest

This calculator uses the following standard formulas to calculate compound interest.

#### PV, PMT, FV, n I% 0

PV = ( PMT + FV) PMT = log FV = PV + PMT n= PV + FV

(1+ iS) PMT FV i (1+ iS) PMT + PV i log (1+ i)

PV + FV n PV + FV n= PMT PMT = 1 n , = (1 + i) i

#### = (1+ i S)

0.Payment : End (Setup Screen) 1.Payment : Begin (Setup Screen)

#### I%. (P/Y = C/Y = 1) 100

C/Y P/Y I% (1+ ) 1.. (Other than 100 [C/Y ] those above)

I% i (effective interest rate) i (effective interest rate) is calculated using Newtons Method. PV +

#### FV = 0

To I % from i (effective interest rate)

#### i 100.. (P/Y = C/Y = 1)

(1+ i ) C/Y 1 C/Y 100. (Other than those above)

n. number of compound periods I%. annual interest rate PV. present value

#### . payment

FV. future value P/Y. installment periods per year C/Y. compounding periods per year

A deposit is indicated by a plus sign (+), while a withdrawal is indicated by a minus sign ().

A value of zero is returned if no key was pressed previous to executing this command. This command can be used inside of a loop.

Locate Function: This command displays alpha-numeric characters at a specific location on the text screen. Syntax: Locate <column number>, <line number>, <value> Locate <column number>, <line number>, <numeric expression> Locate <column number>, <line number>, "<string>" [Example] Locate 1, 1, "AB" Parameters: line number: number from 1 to 7 column number: number from 1 to 21 value and numeric expression string: character string Description: This command displays values (including variable contents) or text at a specific location on the text screen. If there is a calculation input, that calculation result is displayed. The line is designated by a value from 1 to 7, while the column is designated by a value from 1 to 21. (1, 1) (21, 1)

#### (1, 7)

(21, 7)

Example: Cls Locate 7, 1, "CASIO FX" This program displays the text CASIO FX in the center of the screen. In some cases, the ClrText command should be executed before running the above program. Receive( / Send( Function: This command receives data from and sends data to a connected device. Syntax: Receive(<data>) / Send(<data>) Description: This command receives data from and sends data to a connected device. The following types of data can be received (sent) by this command. Individual values assigned to variables Matrix data (all values - individual values cannot be specified) List data (all values - individual values cannot be specified) OpenComport38k / CloseComport38k Function: Opens and closes the 3-pin COM port (serial). Description: See the Receive38k/Send38k command below.

Receive38k / Send38k Function: Executes data send and receive at a data rate of 38 kbps. Syntax: Send38k <expression> Receive38k Description: The OpenComport38k command must be executed before this command is executed. The CloseComport38k command must be executed after this command is executed. If this command is executed when the communication cable is not connected, program execution will continue without generating an error. <variable name> <list name>

Conditional Jump Relational Operators (REL)

#### =, , >, <, ,

Function: These relational operators are used in combination with the conditional jump command. Syntax: <left side> <relational operator> <right side> Parameters: left side/right side: variable (A to Z, r, ), numeric constant, variable expression (such as: A 2) relational operator: =, , >, <, ,

Amt_ PRN: Returns the total principal paid from payment PM1 to PM2. Syntax: Amt_ PRN(PM1, PM2, I%, PV, PMT, P/Y, C/Y)

Interest Rate Conversion Cnvt_EFF: Syntax: Cnvt_APR: Syntax: Returns the interest rate converted from the nominal interest rate to the effective interest rate. Cnvt_EFF(n, I%) Returns the interest rate converted from the effective interest rate to the nominal interest rate. Cnvt_APR(n, I%)

Cost, Selling Price, Margin Calculations Cost: Syntax: Sell: Syntax: Margin: Syntax: Returns the cost based on a specified selling price and margin. Cost(Sell, Margin) Returns the selling price based on a specified cost and margin. Sell(Cost, Margin) Returns the margin based on a specified cost and selling price. Margin(Cost, Sell) 8-36

Day/Date Calculations Days_Prd: Syntax: Returns the number of days from a specified d1 to specified d2. Days_Prd(MM1, DD1, YYYY1, MM2, DD2, YYYY2)

Bond Calculations Bond_PRC: Returns in list form bond prices based on specified conditions. Syntax: Bond_PRC(MM1, DD1, YYYY1, MM2, DD2, YYYY2, RDV, CPN, YLD) = {PRC, INT, CST}

Bond_YLD: Returns the yield based on specified conditions. Syntax: Bond_YLD(MM1, DD1, YYYY1, MM2, DD2, YYYY2, RDV, CPN, PRC)

7. PRGM Mode Command List

Not all of the commands listed below are available on all models covered by this manual. RUN Program (MENU) key

#### Level 1 Level 2 Level 3

STAT DRAW On Off GRPH GPH1 GPH2 GPH3 Scat xy Hist Box Bar N-Dis Brkn X Med X^2 X^3 X^4 Log Pwr Sin NPP Lgst Pie List TYPE DIST X^4 Log Pwr Sin Lgst MAT Swap Rw Rw+ Rw+ Srt-A Srt-D SEL QuartReg_ LogReg_ *4 PowerReg_ SinReg_ LogisticReg_ Swap_ Row_ Row+_ Row+_ SortA( SortD( G_SelOn_ G_SelOff_ Y=Type r=Type ParamType X=Type Y>Type Y<Type Y Type Y Type X>Type X<Type X Type X Type NormalG_ ThickG_ BrokenThickG_ DotG_ StoGMEM_ RclGMEM_ D_SelOn_ D_SelOff_ D_Var_ Y=Type r=Type ParamType TABL On Off TYPE T_SelOn_ T_SelOff_ Y=Type r=Type ParamType NormalG_ ThickG_ BrokenThickG_ DotG_ R_SelOn_ R_SelOff_ NormalG_ ThickG_ BrokenThickG_ DotG_ a nType a n+1Type a n+2Type n an a n+1 a n+2 bn b n+1 b n+2 cn c n+1 c n+2 an a n+1 a n+2 bn b n+1 b n+2 cn c n+1 c n+2

1. Display the SD card memory information screen. See Memory Information Screen on page 11-2. 2. Press (SRC). Input the letter R for the keyword. The first file name that begins with the letter R appears highlighted on display.

The message Not Found appears if there are no file names that match your keyword.

Backing Up Main Memory Data

Data back-up is not supported on an fx-7400GII or fx-9750GII calculator.

To back up main memory data

1. On the initial MEMORY mode screen press (BKUP).

#### (SAVE).

This displays the save location selection screen (fx-9860GII SD only). . storage memory. SD card or (fx-9860GII SD only).

This displays a folder selection screen.

#### 4. Use 5. Press

to select the folder where you want to save the data.

#### to start the backup.

Backup data is saved in a file named BACKUP.g2m. The message Complete! appears when the backup operation is finished. Press to return to the screen displayed in step 1. The following message appears if there is already backup data in the storage memory.

(Yes) to back up the data, or

(No) to cancel the backup operation.

A Memory Full occurs when there is not enough space available in the storage memory to complete the backup operation.

To restore backup data to the main memory

1. On the initial MEMORY mode screen press (BKUP). On the screen that appears, you can confirm whether or not there is backup data in the storage memory. 2. Press (LOAD). This displays the restore source data selection screen (fx-9860GII SD only). . Restore from storage memory. Restore from SD card or (fx-9860GII SD only).

This displays the folder selection screen.

#### and.*1

to select a folder.

A message appears to confirm whether or not you really want to restore the backed up data. *1 The message No Data will appear if there is no backup data stored in memory. Pressing will return the screen in step 1. Press Press Press (Yes) to restore the data and delete any data currently in the area. (No) to cancel the data backup operation. to return to the screen displayed in step 1.

The message Complete! appears when the restore operation is finished.

Optimizing the Storage Memory or SD Card Memory

Storage memory or SD card memory can become fragmented after many store and load operations. Fragmentation can cause blocks of memory to become unavailable for data storage. Because of this, you should periodically perform the storage memory or SD card optimization procedure, which rearranges the data in the storage memory or SD card and makes memory usage more economical.

To optimize the storage memory

1. On the initial MEMORY mode screen press (OPT) to optimize the storage memory. 2. Select the memory you want to optimize (fx-9860GII SD only). . storage memory. SD card

#### to start optimization.

Exchanging Data with another Model Calculator

In this section, the term OS 2.00 calculators refers to the following models. fx-9860GII SD, fx-9860GII, fx-9860G AU PLUS, fx-9750GII, fx-7400GII fx-9860G Slim, fx-9860G SD, fx-9860G and fx-9860G AU whose operating systems have been updated to Version 2.00 An OS 2.00 calculator supports data exchange with the following calculator models. OS 2.00 calculators, fx-9860G series, fx-7400G series, CFX-9850G series When you perform a data exchange operation with the above calculator models, the OS 2.00 calculator will decide whether or not specific data can be sent or received, and convert data as required. The following describes the basic operations that are performed when exchanging data between an OS 2.00 calculator and another model calculator. Sending data from the OS 2.00 calculator to another calculator model Data that is supported by the OS 2.00 calculator but is not supported by the receiving model either is not sent or is converted to a format supported by the receiving model before it is sent. Sending data from another calculator model to an OS 2.00 calculator Basically, data sent from another calculator model is received as it is. However, when there is a difference between an OS 2.00 calculator function and the function of the sending model, the OS 2.00 calculator will convert the data as required. The following provides details about data compatibility between an OS 2.00 calculator and other calculator models.

Transferring Data between the fx-9860G SD, fx-9860G , fx-9860G AU PLUS, fx-9750G , fx-9860G Slim (OS 2.00), fx-9860G SD (OS 2.00), fx9860G (OS 2.00), fx-9860G AU (OS 2.00) and fx-7400G

Sender: Receiver: fx-7400GII fx-9860GII SD, fx-9860GII, fx-9860G AU PLUS, fx-9860G Slim (OS 2.00), fx-9860G SD (OS 2.00), fx-9860G (OS 2.00), fx-9860G AU (OS 2.00)

All data transferred. Sender: Receiver: fx-9860GII SD, fx-9860GII, fx-9860G AU PLUS, fx-9860G Slim (OS 2.00), fx-9860G SD (OS 2.00), fx-9860G (OS 2.00), fx-9860G AU (OS 2.00) fx-7400GII

The following data is not sent from the fx-9860GII SD, fx-9860GII, fx-9860G AU PLUS, fx9860G Slim (OS 2.00), fx-9860G SD (OS 2.00), fx-9860G (OS 2.00), fx-9860G AU (OS 2.00) or is disregarded when received by the fx-7400GII. - CONICS mode data - DYNA mode data - E-CON2 mode data - Matrix data - RECUR mode data - TVM mode data - STAT mode function and variable data for which there is no corresponding function for variable on the fx-7400GII (Example: 2 GOF Test calculation result data, etc.) 13-7

You can use SD cards to store calculator data. You can copy main memory and storage memory data to and from an SD card.

Always use an SD memory card. Operation is not guaranteed when another type of memory card is used. Be sure to read the user documentation that comes with an SD card before using it. Certain types of SD cards can slow down processing speeds. Certain types of SD cards and operating conditions can shorten battery life. SD cards have a write protect switch, which protects against accidental erasure of data. Note, however, that you need to remove write protection before you can copy data to or delete data from, or format a disk that is write-protected. Static electric charge, electric noise, and other phenomena can delete or corrupt card data unexpectedly. Because of this you should always backup valuable data to other media (CD-R, CD-RW, MO disk, hard disk, etc.) SD Logo is a trademark.

#### 1. Using an SD Card

Always turn off the calculator before inserting or removing an SD card. Note that a card needs to be oriented correctly (proper side must be facing upwards, the proper end must be inserted) when inserting it into the calculator. Trying to force card into the slot while it is oriented incorrectly can damage the card and slot.

#### Removing the Dummy Card

Your calculator is shipped from the factory with a dummy card inserted in the SD card slot. Before using an SD card, first use the procedure under To remove the SD card on page 14-2 to remove the dummy card.

#### To insert an SD card

1. Orient the SD card so its back is facing upwards (in the same direction as the calculator keyboard). 2. Carefully insert the SD card into the calculators SD card slot.

Never insert anything other than SD cards into the SD card slot. Doing so can damage the calculator. Should water or any foreign matter ever get into the SD card slot, immediately turn off the calculator, remove its batteries, and contact your original retailer or nearest CASIO authorized service center.

#### To remove the SD card

1. Press in on the SD card and then release it. This will cause the card to pop part way out of the slot. 2. Grasp the SD card with your fingers and pull it out of the slot.

Never remove the SD card while data is being transferred to it. Doing so not only stops the data you are transferring to the card from being saved, it can also corrupt SD card contents. Exerting undue force when removing an SD card can damage the card slot or the card.

#### 2. Formatting an SD Card

Use the procedure under Reset (page 12-3) to format an SD card.

5-1 Using the MULTIMETER Mode

5 Using the MULTIMETER Mode

You can use the Channel Setup screen (page 3-3) to configure a channel so that EA-200 MULTIMETER Mode sampling is triggered by a calculator operation. u To use the MULTIMETER Mode 1. Connect the calculator and EA-200, and connect the sensors you want to the applicable EA-200 channels. 2. From the Advanced Setup menu (page 3-1), use the Channel Setup screen (page 3-3) to configure sensor setups for each channel you will be using. 3. After configuring the sensor setups, press w to return to the Advanced Setup menu (page 3-1), and then press 2(MLTI). This starts sampling in the EA-200 MULTIMETER mode and displays a list of sample values for each channel.

Displayed sample data is refreshed at 0.5-second intervals. Do not connect sensors to any other channels except for those you specified in step 2. Data sampled in the MULTIMETER mode is not saved in memory. 4. To end MULTIMETER mode sampling, press the w key.

#### 6-1 Using Setup Memory

6 Using Setup Memory

Creating EA-200 setup data using the Setup Wizard or Advanced Setup causes the data to be stored in the current setup memory area. The current contents of the current setup memory area are overwritten whenever you create other setup data. You can use setup memory to save the current setup memory area contents to calculator memory to keep it from being overwritten, if you want.

#### k Saving a Setup

A setup can be saved when any one of the following conditions exist. After configuring a new setup with Setup Wizard See step 8 under To configure an EA-200 setup using Setup Wizard on page 2-2. After configuring a new setup with Advanced Setup See step 6 under To configure an EA-200 setup using Advanced Setup on page 3-1 for more information. While the E-CON2 main menu (page 1-1) is on the display Performing the setup save operation while the E-CON2 main menu is on the display saves the contents of the current setup memory area (which were configured using Setup Wizard or Advanced Setup). Details on saving a setup are listed below.

3. Press w to start sampling. The screens that appear while sampling is in progress and after sampling is complete depend on setup details (sampling mode, trigger setup, etc.). For details, see Operations during a sampling operation below.

u Operations during a sampling operation

Sending a sample start command from the calculator to the EA-200 causes the following sequence to be performed. Setup Data Transfer Sampling Start Sampling End Transfer of Sample Data from the EA-200 to the Calculator The table on the next page shows how the trigger conditions and sensor type specified in the setup data affects the above sequence.

#### Starts Sampling

2. Start Standby 3. Sampling 4. Graphing

Sampled values are saved as Current Sample Data.

#### 1. EA-200 Setup

Real-time

The screen shown below appears when CH1, SONIC, or Mic is used as the trigger. w

When Mode = Sound Graph screen does not show all sampled values, but only a partial preview.

#### Normal

8-3 Starting a Sampling Operation

#### Input values. w w

Outputting through speaker

#### Extended

Pressing 1 advances to 4. Graphing. Pressing w there returns to 3. Sampling. When Number of Samples = 1

#### Period

The following three graph types can be produced when PhotoGate-Pulley is being used. 1. Time and distance graph 2. Time and velocity graph When Number of Samples > 1 3. Time and acceleration graph Sample values is stored as List data only.

9-1 Using Sample Data Memory

9 Using Sample Data Memory

Performing an EA-200 sampling operation from the E-CON2 Mode causes sampled results to be stored in the current data area of E-CON2 memory. Separate data is saved for each channel, and the data for a particular channel in the current data area is called that channels current data. Any time you perform a sampling operation, the current data of the channel(s) you use is replaced by the newly sampled data. If you want to save a set of current data and keep it from being replaced by a new sampling operation, save the data in sample data memory under a different file name.

k Managing Sample Data Files

u To save current sample data to a file 1. On the E-CON2 main menu (page 1-1), press 5(GRPH). This displays the Graph Mode screen.

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