Casio fx-7700G (POWER GRAPHIC)
The Casio fx-7700G is a graphing calculator with 10 digits precision and formula input logic. It has 50 keys, and an LCD (liquid crystal) display. The power source is 4x2032 3V cell. The calculator was manufactured in Japan.
Facts at a glance:
|Power Source||4x2032 3V cell|
You can download the Casio fx-7700G manual from this external link.
If you have a Casio fx-7700G that is no longer working, you can first try replacing the 4x2032 3V cell 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: