Additional Pictures 



The backside of an early Minimath prototype.

The Minimath calculator makes use of six AA-sized batteries.

The label of the Minimath calculator.

The  printed circuit board (PCB) of the early Minimath prototype.

Close-up view of the TMS0111 single-chip calculator circuit
manufactured in December 1971.

The LCD (Liquid Crystal Display) of the Minimath.

The coloring of the early Datamath picked up the design of the Minimath prototype. 

horizontal rule

If you have additions to the above article please email:

Joerg Woerner, August 4, 2012. No reprints without written permission.