DATAMATH CALCULATOR MUSEUM
Canon Palmtronic LD-8M 2
|Date of introduction:||August 1975||Display technology:||Fluorescent|
|New price:||Display size:||8|
|Size:||5.2" x 2.9" x 0.8"|
|Weight:||4.0 ounces||Serial No:||607097|
|Batteries:||2*AA||Date of manufacture:||year 1976|
|AC-Adapter:||AD-2||Origin of manufacture:||Japan|
|Precision:||8||Integrated circuits:||Hitachi HD36264|
|Program steps:||Courtesy of:||Joerg Woerner|
The Canon Palmtronic LD-8M 2 added a memory to the LD-81 basic four-function calculator but keeps its housing and colourful design.
Dismantling the LD-8M 2 and some related Canon calculators gives some calculator pairs:
Small display tube and small PCB: LD-81, LD-8M 2
Large display tube and enlarged PCB: LD-84, LD-8M 3
The internal electroncis
of both the LD-81 and LD-8M 2 calculators is based on a
Hitachi single-chip calculator IC. We know this chip already from the L812
small desktop calculator. Other pocket calculators in the line make use of
either a NEC (LD-8M 3) or Texas Instruments (LD-83,
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© Joerg Woerner, September 20, 2003. No reprints without written permission.