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Litronix 2220R (memory)

The Litronix 2220R is an arithmetic calculator with algebraic logic. It has an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAAA sealed.

Facts at a glance:

Display typeLED
Power Source3xAAA sealed
Year introduced1974


If you have a Litronix 2220R that is no longer working, you can first try replacing the 3xAAA sealed 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 Litronix