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Litronix 2250R (slide rule)

The Litronix 2250R is an arithmetic calculator with algebraic logic. It has 9 functions, 25 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 3xAAA sealed.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions9
Keys25
LogicAlgebraic
Display typeLED
Length165mm
Width81mm
Thickness23mm
Power Source3xAAA sealed
Year introduced1975

Replacements:

If you have a Litronix 2250R that is no longer working, you can first try replacing the 3xAAA sealed. 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 Litronix