Casio fx-250c (SCIENTIFIC CALCULATOR)
The Casio fx-250c is a scientific calculator with 8 digits precision and algebraic logic. It has 38 keys, and an LCD (liquid crystal) display. The power source is 2xLR44 mercury cell. A sample of this calculator is held in the calculator.org collection.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Scientific |
| Keys | 38 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 140mm |
| Width | 73mm |
| Thickness | 10mm |
| Weight | 47g |
| Power Consumption | 0.000400W |
| Power Source | 2xLR44 mercury cell |
| Year introduced | 1989 |
| Year discontinued | 1989 |
User Manual
You can download the Casio fx-250c manual from this external link.
Replacements:
If you have a Casio fx-250c that is no longer working, you can first try replacing the 2xLR44 mercury cell 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: