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Casio fx-20

The Casio fx-20 is a scientific calculator with 8 digits precision and algebraic logic. It has 18 functions, 32 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeScientific
Functions18
Keys32
Precision8
LogicAlgebraic
Display typeVFD
Length132mm
Width75mm
Thickness25mm
Weight124g
Power Consumption0.250000W
Power Source2xAA
CountryJapan
Year introduced1975
Year discontinued1976

Replacements:

If you have a Casio fx-20 that is no longer working, you can first try replacing the 2xAA batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by Casio