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Aristo unilog

The Aristo unilog is a scientific calculator with algebraic logic. It has 22 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V.

Facts at a glance:

FeatureValue
TypeScientific
Functions22
Keys20
LogicAlgebraic
Display typeLED
Power SourcePP3 9V
Year introduced1975

Replacements:

If you have an Aristo unilog that is no longer working, you can first try replacing the PP3 9V battery. 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 Aristo