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Casio pocket-mini P-811 (P-811)

Casio pocket-mini P-811
Image: Joe Haupt, CC BY-SA 2.0

The Casio pocket-mini P-811 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 20 keys, and a VFD (vacuum fluorescent) display. The power source is 2xAA. The calculator was manufactured in Japan.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions5
Keys20
Precision8
LogicAlgebraic
Display typeVFD
Length106mm
Width63mm
Thickness21mm
Weight82g
Power Consumption0.200000W
Power Source2xAA
CountryJapan
Year introduced1976
Year discontinued1978

Replacements:

If you have a Casio pocket-mini P-811 that is no longer working, you can first try replacing the 2xAA 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 Casio