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Commodore 5R39

The Commodore 5R39 is a scientific calculator with 10 digits precision and algebraic logic. It has 30 functions, 39 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAA sealed.

Facts at a glance:

FeatureValue
TypeScientific
Functions30
Keys39
Precision10
LogicAlgebraic
Display typeVFD
Length165mm
Width87mm
Thickness37mm
Power Source3xAA sealed
Year introduced1976

Replacements:

If you have a Commodore 5R39 that is no longer working, you can first try replacing the 3xAA sealed 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 Commodore