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Rockwell 63R II (SCIENTIFIC SLIDE RULE)

The Rockwell 63R II is a scientific calculator with 8 digits precision and algebraic logic. It has 26 functions, 25 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAA sealed. The calculator was manufactured in Mexico. Note: Radio Shack EC-490

Facts at a glance:

FeatureValue
TypeScientific
Functions26
Keys25
Precision8
LogicAlgebraic
Display typeVFD
Length160mm
Width85mm
Thickness24mm
Weight248g
Power Source3xAA sealed
CountryMexico
Year introduced1975
Year discontinued1976

Replacements:

If you have a Rockwell 63R II that is no longer working, you can first try replacing the 3xAA 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 model as a replacement:

See other calculators by Rockwell