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Additional Pictures 

 

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

 

This Canon Checkbook III calculator was manufactured in Thailand.

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

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


horizontal rule

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

Joerg Woerner, February 2, 2011. No reprints without written permission.