DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Olympia CD44S was manufactured
in March 1976 by Matsushita Electric Industrial Co. in Japan. |
The Olympia CD44S is powered by
two disposable 1.5 Volt batteries. |
The
Olympia CD44S calculator with the frontside of its housing removed. |
| The printed circuit board
(PCB) of the Olympia CD44S is centered around a NEC µPD278 single-chip calculator circuit.  |
Close-up view
of the NEC µPD278 single-chip calculator circuit. |
Close-up view of the
Itron 9-ST-10 Vacuum Fluorescent Display (VFD).  |
Front- and backside of the
keyboard assembly of the Olympia CD44S calculator.  |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, March 8, 2025. No reprints without written permission.