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Casio fx-140

Casio fx-140
Image: Wikimedia CC BY-SA 3.0

The Casio fx-140 is a scientific calculator with 10 digits precision and algebraic logic. It has 25 functions, 38 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

FeatureValue
TypeScientific
Functions25
Keys38
Precision10
LogicAlgebraic
Display typeVFD
Length152mm
Width84mm
Thickness23mm
Power Consumption0.750000W
Power Source2xAA
Year introduced1978

Replacements:

If you have a Casio fx-140 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