DATAMATH CALCULATOR MUSEUM
|This Canon LE-81M 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.
the TMC0605 single-chip calculator circuit.
|Close-up view of the
Bowmar R7H-122-9D Display module.
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© Joerg Woerner, March 26, 2003. No reprints without written permission.