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Montgomery Ward P330 (DAN-8665A)

The Montgomery Ward P330 is a scientific calculator with 8 digits precision and 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. Note: APF Mark 50

Facts at a glance:

FeatureValue
TypeScientific
Functions17
Keys19
Precision8
LogicAlgebraic
Display typeLED
Length152mm
Width76mm
Power SourcePP3 9V
Year introduced1976

Replacements:

If you have a Montgomery Ward P330 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 Montgomery Ward