Olympia CX 31
The Olympia CX 31 is a scientific calculator with 8 digits precision and algebraic logic. It has 26 functions, 38 keys, and an LCD (liquid crystal) display. The power source is 2xAA. The calculator was manufactured in Taiwan.
Facts at a glance:
If you have an Olympia CX 31 that is no longer working, you can first try replacing the 2xAA 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: