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Additional Pictures 

 

The sales box of the Canon Checkbook calculator sold around 1982 in the US.

The Canon Checkbook calculator in its sleeve with holders for five credit card and one pen.

 

This Canon Checkbook calculator was manufactured in Japan.

The printed circuit board (PCB) of the Canon Checkbook calculator is centered
around a NEC uPD1833G single-chip calculator circuit.

Close-up view of the NEC uPD1833G single-chip calculator circuit.


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

Joerg Woerner, January 17, 2011. No reprints without written permission.