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Additional Pictures 

 

 

The first version of the Datamath calculator without any hint
to the later TI-2500 designation. This one sports serial number 00518.

The first version of the Datamath calculator without any hint
to the later TI-2500 designation. This one sports serial number 00537.

An even earlier Datamath with serial number 00497.

The coloring of the Datamath was changed dramatically 
between the First Series and the later production run. 

The  printed circuit board (PCB) of the early Datamath with the
TMS0110 calculator circuit manufactured in April 1972.

The power supply of the Datamath connected to the six rechargable
batteries and the main calculator electronics.


horizontal rule

If you have additions to the above article please email: joerg@datamath.org.

Joerg Woerner, September 26, 2003. No reprints without written permission.