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 doesn't reveal type and manufacturer of its
single-chip calculator circuit but we are almost positive to spot a Toshiba T7752S.

Close-up view of the Toshiba T7752S single-chip calculator circuit.

Close-up view of the PCB-Mark of a Checkbook III.

horizontal rule

If you have additions to the above article please email:

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