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Sinclair Cambridge

Sinclair Cambridge
Image: Wikimedia CC BY-SA 3.0

The Sinclair Cambridge is an arithmetic calculator with algebraic logic. It has 4 functions, 18 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAAA.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys18
LogicAlgebraic
Display typeLED
Length112mm
Width51mm
Thickness18mm
Power Source4xAAA
Year introduced1973
Year discontinued1977

Replacements:

If you have a Sinclair Cambridge that is no longer working, you can first try replacing the 4xAAA 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 Sinclair