Casio MQ-1
The Casio MQ-1 is an arithmetic calculator with 6 digits precision and algebraic logic. It has 4 functions, 23 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2x1.5V cell. The calculator was manufactured in Japan.
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 4 |
| Keys | 23 |
| Precision | 6 |
| Logic | Algebraic |
| Display type | YLCD |
| Power Consumption | 0.004000W |
| Power Source | 2x1.5V cell |
| Country | Japan |
| Year introduced | 1977 |
| Year discontinued | 1979 |
Replacements:
If you have a Casio MQ-1 that is no longer working, you can first try replacing the 2x1.5V cell. 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: