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Unisonic 790RM

The Unisonic 790RM 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 4xAA batteries.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys25
Precision8
LogicAlgebraic
Display typeVFD
Length154mm
Width91mm
Thickness36mm
Power Source4xAA batteries
Year introduced1978
Year discontinued1978

Replacements:

If you have a Unisonic 790RM that is no longer working, you can first try replacing the 4xAA 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 Unisonic