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Casio M-800 (M-800)

The Casio M-800 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 4 functions, 18 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is LR44 1.5V. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys18
Precision8
LogicAlgebraic
Display typeYLCD
Length60mm
Width41mm
Thickness13mm
Power Consumption0.010000W
Power SourceLR44 1.5V
CountryJapan
Year introduced1976
Year discontinued1977

Replacements:

If you have a Casio M-800 that is no longer working, you can first try replacing the LR44 1.5V battery. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Casio