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Aristo M85

The Aristo M85 is a scientific calculator with 8 digits precision and algebraic logic. It has 23 functions, 25 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA.

Facts at a glance:

FeatureValue
TypeScientific
Functions23
Keys25
Precision8
LogicAlgebraic
Display typeLED
Length151mm
Width76mm
Thickness18mm
Power Source3xAA
Year introduced1974
Year discontinued1978

Replacements:

If you have an Aristo M85 that is no longer working, you can first try replacing the 3xAA 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 Aristo