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Santron 721

The Santron 721 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 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
TypeArithmetic
Functions6
Keys24
Precision8
LogicAlgebraic
Display typeLED
Length123mm
Width72mm
Thickness23mm
Power Consumption0.450000W
Power SourcePP3 9V
Year introduced1978
Year discontinued1978

Replacements:

If you have a Santron 721 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 models as possible replacements:

See other calculators by Santron