MBO de Luxe IV
The MBO de Luxe IV is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 22 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA.
Facts at a glance:
If you have a MBO de Luxe IV 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: