Casio fx-81
The Casio fx-81 is a scientific calculator with 9 digits precision and algebraic logic. It has 32 functions, 38 keys, and an LCD (liquid crystal) display. The power source is 2xAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Functions | 32 |
| Keys | 38 |
| Precision | 9 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 149mm |
| Width | 76mm |
| Thickness | 18mm |
| Power Source | 2xAA batteries |
| Year introduced | 1985 |
Replacements:
If you have a Casio fx-81 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 model as a replacement: