calculator.org

the calculator home page

Hewlett-Packard HP 25C (Woodstock SQUISH)

Hewlett-Packard HP 25C

The Hewlett-Packard HP 25C is a programmable calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 68 functions, 30 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 2xAA NiCd battery pack. Note: Enhanced version of the HP 25 with "Continuous memory"

Facts at a glance:

FeatureValue
TypeProgrammable
Functions68
Keys30
Precision12
LogicRPN
Display typeLED
Length129mm
Width67mm
Thickness29mm
Weight170g
Power Source2xAA NiCd battery pack
Year introduced1976
Year discontinued1978

Replacements:

If you have a Hewlett-Packard HP 25C that is no longer working, you can first try replacing the 2xAA NiCd battery pack. 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 Hewlett-Packard