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:
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: