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Litronix 2290R (programmable)

The Litronix 2290R is a programmable calculator with 8 digits precision and algebraic logic. It has 5 functions, 25 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is Sealed battery pack.

Facts at a glance:

FeatureValue
TypeProgrammable
Functions5
Keys25
Precision8
LogicAlgebraic
Display typeLED
Length165mm
Width81mm
Thickness23mm
Power SourceSealed battery pack
Year introduced1975

Replacements:

If you have a Litronix 2290R that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement:

See other calculators by Litronix