Commodore 774D
The Commodore 774D is an arithmetic calculator with 7 digits precision and algebraic logic. It has 4 functions, 17 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is PP3 9V battery. The calculator was manufactured in UK; USA. Note: Same processor as 776M model. Available with a commodore label in black/white or white/black.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 4 |
| Keys | 17 |
| Precision | 7 |
| Logic | Algebraic |
| Display type | LED |
| Length | 137mm |
| Width | 64mm |
| Thickness | 23mm |
| Power Source | PP3 9V battery |
| Country | UK; USA |
| Year introduced | 1974 |
| Year discontinued | 1975 |
Replacements:
If you have a Commodore 774D 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: