calculator.org

the calculator home page

Commodore 9R-25 (9R25)

The Commodore 9R-25 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 25 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA sealed. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys25
Precision8
LogicAlgebraic
Display typeVFD
Length140mm
Width78mm
Thickness28mm
Weight164g
Power Source2xAA sealed
CountryJapan
Year introduced1976
Year discontinued1976

Replacements:

If you have a Commodore 9R-25 that is no longer working, you can first try replacing the 2xAA 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 models as possible replacements:

See other calculators by Commodore