calculator.org

the calculator home page

Unisonic 789 (Square & Root)

The Unisonic 789 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions7
Keys20
Precision8
LogicAlgebraic
Display typeLED
Power Consumption0.700000W
Year introduced1975

Replacements:

If you have a Unisonic 789 that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Unisonic