The Casio ML-720 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 6 functions, 23 keys, and an LCD (liquid crystal) display. The power source is LR1120 1.5V.
Facts at a glance:
|Power Source||LR1120 1.5V|
If you have a Casio ML-720 that is no longer working, you can first try replacing the LR1120 1.5V 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: