The Brother 812L is an arithmetic calculator with algebraic logic. It has 12 functions, 29 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2xAA.
Facts at a glance:
If you have a Brother 812L 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: