Adler 121C (EC29)
The Adler 121C is an arithmetic calculator with 12 digits precision and algebraic logic. It has 9 functions, 25 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 9 |
| Keys | 25 |
| Precision | 12 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 150mm |
| Width | 87mm |
| Thickness | 26mm |
| Weight | 165g |
| Power Source | 4xAA batteries |
| Year introduced | 1975 |
| Year discontinued | 1975 |
Replacements:
If you have an Adler 121C that is no longer working, you can first try replacing the 4xAA 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: