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Additional Pictures 

 

This Bowmar calculator was manufactured in December 1977 
by an unknown company in Hong Kong.

The printed circuit board (PCB) of the Bowmar calculator
hides the name of its manufacturer.

The TMS0972 single-chip calculator circuit.


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

Joerg Woerner, February 5, 2010. No reprints without written permission.