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Sinclair Oxford 300

Sinclair Oxford 300
Image: Wikimedia CC BY-SA 3.0

The Sinclair Oxford 300 is a scientific calculator with algebraic logic. It has 17 functions, 19 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V.

Facts at a glance:

FeatureValue
TypeScientific
Functions17
Keys19
LogicAlgebraic
Display typeLED
Length156mm
Width74mm
Thickness32mm
Power SourcePP3 9V
Year introduced1975

Replacements:

If you have a Sinclair Oxford 300 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