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MBO 4512

The MBO 4512 is a scientific calculator with algebraic logic. It has a VFD (vacuum fluorescent) display. The power source is 4xAA.

Facts at a glance:

Display typeVFD
Power Source4xAA
Year introduced1975


If you have a MBO 4512 that is no longer working, you can first try replacing the 4xAA batteries. 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:

See other calculators by MBO