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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@datamath.org.

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