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:
|Power Source||PP3 9V|
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: