A short history of the HP graphing calculators.... this video is a pre-cursor to the "in-depth" tutorials that I am hoping to do for my ...

HP 40GS ...

HP-40gs - Statistics - Mean. See www.mathheals.com for more videos.

Calculator/Testing Rules for 2016 Calculator usage at all levels of the Academic Challenge competition will follow the guidelines used in the ACT, SAT, and Prairie State Achievement Exam. As in past years, calculators are allowed on the math, physics, and chemistry tests only.

Examinees must bring their own calculators and may not share calculators. Only one calculator per student is allowed. Each competitor is responsible for his/her own calculator. Testing site staff will not have extra batteries or calculators. An acceptable calculator includes any four-function, scientific, or graphing calculator, as long as it doesn't have any of the prohibited features (see prohibited list below).

The following calculators and types of calculators are prohibited:

Calculators with built-in computer algebra systems. Calculators in this category include: o Texas Instruments: All model numbers that begin with TI-89 or TI-92, and the TINspire CAS (the non-CAS TI-Nspire is permitted) o Hewlett-Packard: HP 48GII and all ...