The Elka 131 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 20 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA. The calculator was manufactured in Bulgaria.
Facts at a glance:
If you have an Elka 131 that is no longer working, you can first try replacing the 4xAA 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: