DATAMATH CALCULATOR MUSEUM
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DATAMATH CALCULATOR MUSEUM |
Additional Pictures
This Busicom "HANDY-LE"
LE-120s was manufactured
in March 1972 in Japan. |
The Busicom "HANDY-LE"
LE-120S is
powered by four disposable AA-size batteries. |
The
Busicom "HANDY-LE"
LE-120S calculator with the rearside of its housing removed. |
The
Busicom "HANDY-LE"
LE-120S calculator with its housing completely
removed. |
| The Main printed circuit
board (PCB) of the Busicom "HANDY-LE" LE-120S is centered around a Mostek MK6010L single-chip calculator circuit.   |
The
keyboard module of the Busicom "HANDY-LE" LE-120S calculator.  |
Close-up view of the Mostek MK6010L
single-chip calculator circuit. |
Close-up view of the 12
Monsanto MAN-3A Seven-Segment LED Displays. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, June 27, 2026. No reprints without written permission.