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Additional Pictures 

 

This TI-15 Explorer was manufactured in December 2004 by
Nam Tai Electronics in China (Date code N-1204I mth 12 yr 2004).

The printed circuit board (PCB) of the TI-15 Explorer is centered
around an unknown single-chip calculator circuit.

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


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

Joerg Woerner, March 27, 2020. No reprints without written permission.