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Sinclair Wrist Calculator

Sinclair Wrist Calculator
Image: wass.net used with permission

The Sinclair Wrist Calculator is an arithmetic calculator with 8 digits precision and algebraic logic. It has 8 functions, 10 keys, and an LED (light-emitting diode) display, typical of calculators of this era. Note: Originally only available in kit form

Facts at a glance:

FeatureValue
TypeArithmetic
Functions8
Keys10
Precision8
LogicAlgebraic
Display typeLED
Length39mm
Width74mm
Thickness18mm
Year introduced1977
Year discontinued1978

Replacements:

If you have a Sinclair Wrist Calculator that is no longer working, you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Sinclair