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:
Feature | Value |
---|---|
Type | Scientific |
Functions | 26 |
Keys | 25 |
Precision | 8 |
Logic | Algebraic |
Display type | VFD |
Length | 160mm |
Width | 85mm |
Thickness | 24mm |
Weight | 248g |
Power Source | 3xAA sealed |
Country | Mexico |
Year introduced | 1975 |
Year discontinued | 1976 |
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: