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Unisonic 1212 (Slide Rulette)

Unisonic 1212
Image: Joe Haupt, CC BY-SA 2.0

The Unisonic 1212 is an arithmetic calculator with 6 digits precision and algebraic logic. It has 5 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is 4xAA. Note: 6 digit display, 12 digit precision

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys19
Precision6
LogicAlgebraic
Display typeVFD
Length133mm
Width89mm
Power Consumption0.600000W
Power Source4xAA
Year introduced1974

Replacements:

If you have a Unisonic 1212 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 models as possible replacements:

See other calculators by Unisonic