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National Semiconductor 200R

The National Semiconductor 200R is an arithmetic calculator with algebraic logic. It has 8 functions, 25 keys, and a VFD (vacuum fluorescent) display. The power source is Sealed battery pack.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys25
LogicAlgebraic
Display typeVFD
Length140mm
Width70mm
Power SourceSealed battery pack

Replacements:

If you have a National Semiconductor 200R that is no longer working, you can consider replacing the calculator with a modern equivalent.

We suggest the following current models as possible replacements:

See other calculators by National Semiconductor