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Hewlett-Packard HP 29C (Woodstock BONNIE)

Hewlett-Packard HP 29C

The Hewlett-Packard HP 29C is a programmable calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 75 functions, 30 keys, and an LED (light-emitting diode) display typical of calculators of this era. The power source is 2xAA NiCd battery pack.

Facts at a glance:

FeatureValue
TypeProgrammable
Functions75
Keys30
Precision12
LogicRPN
Display typeLED
Length129mm
Width67mm
Thickness29mm
Weight170g
Power Source2xAA NiCd battery pack
Original price$125
Year introduced1977
Year discontinued1979

Replacements:

If you have a Hewlett-Packard HP 29C that is no longer working, you can first try replacing the 2xAA NiCd battery pack batteries. 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