The Sharp PC-E550 is a programmable calculator with 10 digits precision and formula input logic. It has 90 keys, and an LCD (liquid crystal) display. The power source is 4xAAA + 3V cell.
Facts at a glance:
|Power Source||4xAAA + 3V cell|
If you have a Sharp PC-E550 that is no longer working, you can first try replacing the 4xAAA + 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: