Unisonic 811-C
The Unisonic 811-C is an arithmetic calculator with algebraic logic. It has 6 functions, 19 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 4xAAA batteries.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 19 |
| Logic | Algebraic |
| Display type | LED |
| Length | 127mm |
| Width | 76mm |
| Power Consumption | 0.300000W |
| Power Source | 4xAAA batteries |
| Year introduced | 1975 |
Replacements:
If you have a Unisonic 811-C that is no longer working, you can first try replacing the 4xAAA 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: