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Radofin 870 (Professional Memory)

The Radofin 870 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys23
Precision8
LogicAlgebraic
Display typeLED
Length136mm
Width65mm
Thickness21mm
Weight84g
Power Consumption0.300000W
Power Source4xAAA
Year introduced1975
Year discontinued1976

Replacements:

If you have a Radofin 870 that is no longer working, you can first try replacing the 4xAAA 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 Radofin