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Additional Pictures 

 

The TI-1775+ in "Clock Mode".

This TI-1775+ was manufactured in January 1997 by 
Cal-Comp Electronics in Thailand (Date code C-0197 mth 01 yr 1997).

 

The printed circuit board (PCB) of the TI-1775+ is centered
around an unknown single-chip calculator circuit.

Close-up view of the unknown single-chip calculator circuit.

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


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

Joerg Woerner, March 4, 2011. No reprints without written permission.