calculator.org

the calculator home page

Casio MQ-1

The Casio MQ-1 is an arithmetic calculator with 6 digits precision and algebraic logic. It has 4 functions, 23 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2x1.5V cell. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys23
Precision6
LogicAlgebraic
Display typeYLCD
Power Consumption0.004000W
Power Source2x1.5V cell
CountryJapan
Year introduced1977
Year discontinued1979

Replacements:

If you have a Casio MQ-1 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