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Aristo M65

The Aristo M65 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions10
Keys20
Precision8
LogicAlgebraic
Display typeLED
Length151mm
Width62mm
Thickness18mm
Weight122g
Power Source3xAA
Year introduced1974
Year discontinued1975

Replacements:

If you have an Aristo M65 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 models as possible replacements:

See other calculators by Aristo