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How to get a free graphing calculator (HP-48GX).

How to get a free graphing calculator for your PC and Android phone. Specifically the HP-48GX. This will step you through the ...

HP48GX to USB Cable, Manual XMODEM Transfer with Hewlett Packard Conn 4x

Transfer files to the HP48GX with the "HP48 to USB Cable." XMODEM Speed via manual transfer with Hewlett Packard ...

hp48 SX calculator - Back from the dead!

My old HP48SX is back from the dead! After some heavy flooding this spring in the midwest I found my old calculator tucked away ...