Adler EC 20-S (EC 20-S)
The Adler EC 20-S is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is 3xAAA. Note: Triumph Sir with memory disabled.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 5 |
| Keys | 19 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 92mm |
| Width | 62mm |
| Thickness | 22mm |
| Weight | 63g |
| Power Source | 3xAAA |
| Year introduced | 1975 |
| Year discontinued | 1975 |
Replacements:
If you have an Adler EC 20-S 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: