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Radofin 875 (Professional Slide Rule)

The Radofin 875 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 9 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
Functions9
Keys23
Precision8
LogicAlgebraic
Display typeLED
Length136mm
Width65mm
Thickness21mm
Power Source4xAAA
Year introduced1975

Replacements:

If you have a Radofin 875 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