Casio fx-280 (FRACTION)
The Casio fx-280 is a scientific calculator with 10 digits precision and algebraic logic. It has 38 keys, and an LCD (liquid crystal) display. The power source is LR44 1.5V. The calculator was manufactured in China.
Facts at a glance:
|Power Source||LR44 1.5V|
If you have a Casio fx-280 that is no longer working, you can first try replacing the LR44 1.5V 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: