The Olympia 830D is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 28 keys, and a VFD (vacuum fluorescent) display. The power source is AA batteries.
Facts at a glance:
If you have an Olympia 830D that is no longer working, you can first try replacing the AA battery. 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: