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RandS UR-300

The RandS UR-300 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 24 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys24
Precision8
LogicAlgebraic
Display typeVFD
Length130mm
Width82mm
Thickness22mm
Weight92g
Power Source2xAA
Year introduced1976
Year discontinued1976

Replacements:

If you have a RandS UR-300 that is no longer working, you can first try replacing the 2xAA 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 RandS