DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
| The Canon Checkbook III calculator in its
sleeve with holders for five credit card and one pen.
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| This
Canon Checkbook III calculator
was
manufactured in Thailand.
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| 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.
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| Close-up
view of the Toshiba T7752S single-chip calculator
circuit.
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Close-up view of the PCB-Mark of a Checkbook III. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, February 2, 2011. No reprints without written permission.
