DATAMATH  CALCULATOR  MUSEUM

Additional Pictures 

 

First TI-35 design with the TP0320-4 calculator chip.

Second design with the TP0324 chip in a small housing.

 Third design with the new CD4557 calculator chip.


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

© Joerg Woerner, May 12, 2007. No reprints without written permission.