Casio HL-811
The Casio HL-811 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 24 keys, and an LCD (liquid crystal) display. The power source is 2xAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 24 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | LCD |
| Length | 128mm |
| Width | 70mm |
| Thickness | 19mm |
| Weight | 47g |
| Power Consumption | 0.000400W |
| Power Source | 2xAA batteries |
| Year introduced | 1986 |
| Year discontinued | 1986 |
Replacements:
If you have a Casio HL-811 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: