The Sharp EL-822 is an arithmetic calculator with algebraic logic. It has an LCD (liquid crystal) display. The power source is 2xLR1130.
Facts at a glance:
If you have a Sharp EL-822 that is no longer working, you can first try replacing the 2xLR1130 batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: