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Unisonic 1299-A

The Unisonic 1299-A is a scientific calculator with 12 digits precision and algebraic logic. It has 28 functions, 37 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA.

Facts at a glance:

FeatureValue
TypeScientific
Functions28
Keys37
Precision12
LogicAlgebraic
Display typeVFD
Length155mm
Width90mm
Thickness36mm
Power Consumption0.400000W
Power Source4xAA
Year introduced1975

Replacements:

If you have a Unisonic 1299-A 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 Unisonic