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Sinclair Scientific Programmable

Sinclair Scientific Programmable
Image: wass.net used with permission

The Sinclair Scientific Programmable is a programmable calculator with 5 digits precision and algebraic logic. It has 19 functions, 19 keys, and a VFD (vacuum fluorescent) display. The power source is PP3 9V.

Facts at a glance:

FeatureValue
TypeProgrammable
Functions19
Keys19
Precision5
LogicAlgebraic
Display typeVFD
Length155mm
Width73mm
Thickness34mm
Power SourcePP3 9V
Year introduced1975

Replacements:

If you have a Sinclair Scientific Programmable that is no longer working, you can first try replacing the PP3 9V 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:

See other calculators by Sinclair