Mathix BJ-21M
The Mathix BJ-21M is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 25 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. Note: Black Jack game
Facts at a glance:
| Feature | Value |
|---|---|
| Type | Arithmetic |
| Functions | 6 |
| Keys | 25 |
| Precision | 8 |
| Logic | Algebraic |
| Display type | YLCD |
| Length | 105mm |
| Width | 66mm |
| Thickness | 8mm |
| Year introduced | 1985 |
Replacements:
If you have a Mathix BJ-21M that is no longer working, you can consider replacing the calculator with a modern equivalent.
We suggest the following current models as possible replacements: