The Aristo M300 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 24 keys, and an LCD (liquid crystal) display. The power source is 3V cell.
Facts at a glance:
|Power Source||3V cell|
If you have an Aristo M300 that is no longer working, you can first try replacing the 3V cell 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: