The Elektronika B3-39 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 20 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 3x mercury cell. Note: Sharp EL-8020; Elorg 39
Facts at a glance:
|Power Source||3x mercury cell|
If you have an Elektronika B3-39 that is no longer working, you can first try replacing the 3x mercury 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 models as possible replacements: