Additional Pictures 


The sales box of the TI-1775 calculator sold around 1992 in the US.

The TI-1775 with the plastic sleeve partly removed.

The dismantled TI-1775 with two surprisingly rigid plastic frames.

The printed circuit board (PCB) of the TI-1775.

Close-up view of the Toshiba T9731BU single-chip calculator circuit.

 Close-up view of the PCB-Mark of a TI-1775.


horizontal rule

If you have additions to the above article please email:

Joerg Woerner, November 10, 2007. No reprints without written permission.