DATAMATH CALCULATOR MUSEUM |
Additional Pictures
Keyboard side
of the PCB. The 43-pin calculator chip is an early Toshiba T3603 manufactured in 1977. |
The LC-display
was manufactured by OPTREX CORP. The connection between the LCD and the PCB is done with small springs instead the later conductive rubber stripe. |
The second design of the TI-1750 uses 2 coin-type batteries. |
If you have additions to the above article please email: joerg@datamath.org.
© Stefan Klaes and Joerg Woerner, December 14, 2002. No reprints without written permission.