The Casio fx-78 is a scientific calculator with 11 digits precision and algebraic logic. It has 37 keys, and an LCD (liquid crystal) display. The power source is 389 mercury cell. The calculator was manufactured in Japan.
Facts at a glance:
|Power Source||389 mercury cell|
If you have a Casio fx-78 that is no longer working, you can first try replacing the 389 mercury cell battery. 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: