DATAMATH PICTURES

The battery compartment of the SR-52 gives access to the electrical
contacts used to connect the PC-100 printer cradle.

The Main printed circuit board (PCB) of the SR-52 calculator. The brain of the
calculator uses the TMC0501, SCOM (TMC0524), stack of two
BROM (TMC0561, 0562) and a stack of two RAM (TMC0599) circuits.

The Display and Keyboard PCB of the SR-52 with fourteen 7-segment LED-Displays.

Close-up view of the TMC0501 ARITH Integrated Circuit.

Close-up view of the TMC0524 SCOM Integrated Circuit.

Close-up view of the TMC0599 PRAM Integrated Circuit.

Close-up view of the TMC0595 MAGNETIC I/O Integrated Circuit.