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Casio MQ-11 (CARD WATCH ; MQ-11B)

The Casio MQ-11 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 30 keys, and an LCD (liquid crystal) display. The power source is 2x1.5V cell. The calculator was manufactured in Japan. Note: time

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys30
Precision8
LogicAlgebraic
Display typeLCD
Length91mm
Width55mm
Thickness5mm
Power Consumption0.004000W
Power Source2x1.5V cell
CountryJapan
Year introduced1979
Year discontinued1979

Replacements:

If you have a Casio MQ-11 that is no longer working, you can first try replacing the 2x1.5V cell batteries. 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