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Commodore SR4120D (4120R)

The Commodore SR4120D is a scientific calculator with 8 digits precision and algebraic logic. It has 30 functions, 48 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V. The calculator was manufactured in England.

Facts at a glance:

FeatureValue
TypeScientific
Functions30
Keys48
Precision8
LogicAlgebraic
Display typeLED
Length150mm
Width80mm
Thickness40mm
Weight152g
Power SourcePP3 9V
CountryEngland
Year introduced1977
Year discontinued1978

Replacements:

If you have a Commodore SR4120D 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 Commodore