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Additional Pictures 

 

This Canon LE-83 (Version 2) was manufactured in June 1974 by Canon in Japan.

The Canon LE-81M can be operated by either a rechargeable NiCd battery
pack or four disposable Alkaline batteries .

The Canon LE-81M makes obviously use of a Bowmar Optostic LED module.

The double-sided printed circuit board (PCB) of the Canon LE-81M
is centered around a TMC0605 single-chip calculator circuit.

Close-up view of the TMC0605 single-chip calculator circuit.

Close-up view of the Bowmar R7H-122-9 Display module.




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

Joerg Woerner, December 26, 2021. No reprints without written permission.