Casio HL-801
The Casio HL-801 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is AA batteries. The calculator was manufactured in Japan.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 23 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | YLCD |
| Length | 137mm |
| Width | 75mm |
| Thickness | 20mm |
| Power Consumption | 0.000260W |
| Power Source | AA |
| Country | Japan |
| Year introduced | 1979 |
| Year discontinued | 1979 |
Replacements:
If you have a Casio HL-801 that is no longer working, you can first try replacing the AA battery. 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: