Casio fx-82D (FRACTION)
The Casio fx-82D is a scientific calculator with 8 digits precision and algebraic logic. It has 54 functions, 38 keys, and an LCD (liquid crystal) display. The power source is 2xAA.
Facts at a glance:
You can download the Casio fx-82D manual from this external link.
If you have a Casio fx-82D 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 model as a replacement: