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Additional Pictures 

 

This TI-7 MathMate was manufactured in December 1991 by 
Texas Instruments in Lubbock, Texas (Date code LTA4991 wk 49 yr 1991).

The printed circuit board (PCB) of the TI-7 MathMate is centered
around a single-chip calculator circuit.

The solar cells printed of the TI-7 MathMate are connected
in a very innovative way to the calculator PCB.


horizontal rule

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

Joerg Woerner, December 25, 2015. No reprints without written permission.