MBO MONARCH 30
The MBO MONARCH 30 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 28 keys, and a VFD (vacuum fluorescent) display.
Facts at a glance:
If you have a MBO MONARCH 30 that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements: