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Casio MC-811 (MC-811)

The Casio MC-811 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 20 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
Functions5
Keys20
Precision8
LogicAlgebraic
Display typeYLCD
Length60mm
Width41mm
Thickness13mm
Power Consumption0.010000W
Power SourceLR44 1.5V
CountryJapan
Year introduced1975

Replacements:

If you have a Casio MC-811 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