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Casio fx-39

Casio fx-39
Image: Wikimedia CC BY-SA 3.0

The Casio fx-39 is a scientific calculator with 8 digits precision and algebraic logic. It has 44 functions, 38 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeScientific
Functions44
Keys38
Precision8
LogicAlgebraic
Display typeVFD
Length152mm
Width84mm
Thickness23mm
Weight146g
Power Consumption0.750000W
Power Source2xAA
CountryJapan
Year introduced1978
Year discontinued1978

User Manual

You can download the Casio fx-39 manual from this external link.

Replacements:

If you have a Casio fx-39 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