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Additional Pictures 

 

The sales box of the TI-1722+ CLEAR CALC sold around 1995 in the US.



This TI-1722+ CLEAR CALC was manufactured in June 1995 by 
Nam Tai Electronics in China (Date code N-0695 mth 06 yr 1995).

The printed circuit board (PCB) of the first TI-1722+ 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-Marks of the TI-1722+.



 


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

Joerg Woerner, October 10, 2013. No reprints without written permission.