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Aristo M64

The Aristo M64 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA. The calculator was manufactured in Germany.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions6
Keys20
Precision8
LogicAlgebraic
Display typeLED
Length151mm
Width62mm
Thickness18mm
Power Source3xAA
CountryGermany
Year introduced1975

Replacements:

If you have an Aristo M64 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