Colex ESR
The Colex ESR is a scientific calculator with 8 digits precision and algebraic logic. It has 18 functions, 25 keys, and a VFD (vacuum fluorescent) display.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 18 |
| Keys | 25 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Year introduced | 1975 |
Replacements:
If you have a Colex ESR that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current model as a replacement: