Adler 81CS (EC41)
The Adler 81CS is an arithmetic calculator with 8 digits precision and algebraic logic. It has 11 functions, 27 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA batteries. The calculator was manufactured in Japan.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 11 |
| Keys | 27 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | VFD |
| Length | 146mm |
| Width | 78mm |
| Thickness | 18mm |
| Weight | 112g |
| Power Source | 2xAA batteries |
| Country | Japan |
| Year introduced | 1977 |
| Year discontinued | 1977 |
Replacements:
If you have an Adler 81CS that is no longer working, you can first try replacing the 2xAA 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: