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Aries AR-420

The Aries AR-420 is an arithmetic calculator with algebraic logic. It has an LED (light-emitting diode) display typical of calculators of this era. The power source is Sealed battery pack. Note: Membrane keypad. Available in kit form.

Facts at a glance:

FeatureValue
TypeArithmetic
LogicAlgebraic
Display typeLED
Length121mm
Width76mm
Power SourceSealed battery pack
Year introduced1973

Replacements:

If you have an Aries AR-420 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 Aries