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Radofin 1660

Radofin 1660
Image: wass.net used with permission

The Radofin 1660 is a scientific calculator with 8 digits precision and algebraic logic. It has 17 functions, 19 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
TypeScientific
Functions17
Keys19
Precision8
LogicAlgebraic
Display typeLED
Length132mm
Width68mm
Thickness24mm
Weight84g
Power Consumption0.500000W
Power SourcePP3 9V
Year introduced1976
Year discontinued1976

Replacements:

If you have a Radofin 1660 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 model as a replacement:

See other calculators by Radofin