DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

 

The Datamath (Pre-Series, First Run) calculator without any hint
to the later TI-2500 designation. This one sports serial number 00080.

The label of the Datamath (Pre-Series, First Run) calculator.

 
The Datamath (Pre-Series, First Run) with its battery pack removed.
Please notice the missing battery contacts used with the Minimath Prototype.

The  printed circuit board (PCB) of the Datamath (Pre-Series, First Run) with the
TMS0110 calculator circuit manufactured in April 1972.

Close-up view of the TMS0110 single-chip calculator circuit.
 
The  LED Display of the first Datamath calculator

The power supply of the Datamath (Pre-Series, First Run) connected to the
six rechargeable batteries and the main calculator electronics.


horizontal rule

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

© Joerg Woerner, February 23, 2019. No reprints without written permission.