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. 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: