The Aristo M66 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 11 functions, 25 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.
Facts at a glance:
If you have an Aristo M66 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 models as possible replacements: