DATAMATH PICTURES

This Casio FX-702P Pocket Computer was manufactured in January 1982 by Casio Computer in Japan.

The Casio FX-702P Pocket Computer features an internal expansion slot for a memory cartridge and is powered by two CR2032 batteries.

The two printed circuit boards (PCBs) of the Casio FX-702P are mounted in a clamshell design, the electronics is centered
around two Hitachi HD43190A 4-bit microcontrollers, two Hitachi HD43191 display controllers and 4 NEC uPD444G RAMs.

Close-up view of one of the two HD43190A microcontrollers.

Close-up view of one of the two HD43191A display controllers.

Close-up view of one of the four uPD444G RAMs.