Rockwell 8R (AUTOMATIC PERCENT)
The Rockwell 8R is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 18 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is PP3 9V. The calculator was manufactured in Hong-Kong; Mexico. Note: Rockwell 9TR
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 5 |
| Keys | 18 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LED |
| Length | 155mm |
| Width | 76mm |
| Thickness | 23mm |
| Weight | 120g |
| Power Source | PP3 9V |
| Country | Hong-Kong; Mexico |
| Year introduced | 1975 |
| Year discontinued | 1976 |
Replacements:
If you have a Rockwell 8R that is no longer working, you can first try replacing the PP3 9V battery. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: