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Rockwell 63R (SCIENTIFIC SLIDE RULE)

Rockwell 63R
Image: Joe Haupt, CC BY-SA 2.0

The Rockwell 63R 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
Weight246g
Power Source3xAA sealed
CountryMexico
Year introduced1975
Year discontinued1976

Replacements:

If you have a Rockwell 63R 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