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Rapidex 11SR

The Rapidex 11SR is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 22 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAA batteries.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys22
Precision8
LogicAlgebraic
Display typeVFD
Length135mm
Width77mm
Thickness33mm
Power Consumption0.300000W
Power Source3xAA batteries
Year introduced1975
Year discontinued1975

Replacements:

If you have a Rapidex 11SR that is no longer working, you can first try replacing the 3xAA 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 Rapidex