Compex SR-40
The Compex SR-40 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 12 functions, 30 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAAA.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 12 |
| Keys | 30 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 148mm |
| Width | 78mm |
| Thickness | 32mm |
| Weight | 55g |
| Power Consumption | 0.360000W |
| Power Source | 3xAAA |
| Year introduced | 1975 |
| Year discontinued | 1976 |
Replacements:
If you have a Compex SR-40 that is no longer working, you can first try replacing the 3xAAA batteries. 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: