MBO Exakt 40
The MBO Exakt 40 is a scientific calculator with 12 digits precision and algebraic logic. It has 28 functions, 38 keys, and a VFD (vacuum fluorescent) display. The power source is AA batteries.
Facts at a glance:
If you have a MBO Exakt 40 that is no longer working, you can first try replacing the AA battery. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current model as a replacement: