Commodore SR4912 (The Decision Maker)
The Commodore SR4912 is a scientific calculator with 8 digits precision and algebraic logic. It has 49 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.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Keys | 49 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LED |
| Length | 147mm |
| Width | 80mm |
| Thickness | 40mm |
| Weight | 124g |
| Power Source | PP3 9V |
| Country | Hong Kong |
| Year introduced | 1978 |
| Year discontinued | 1978 |
Replacements:
If you have a Commodore SR4912 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 model as a replacement: