DATAMATH PICTURES

This Casio FX-502P was manufactured in February 1980 by Casio Computers in Japan.
The Casio FX-502P is powered by two small LR44 batteries.
The first keyboard overlay included with the FX-502P.	The second keyboard overlay included with the FX-502P.
The printed circuit board (PCB) of the FX-502P is centered around a Hitachi HD43108A 4-bit microcontroller and two HD43109 chips including User Memory and Display Drivers.
Close-up view of the HD43108A microcontroller.	Close-up view of the HD43109 RAM / Display Driver chip.