Hewlett-Packard HP 29C (Woodstock BONNIE)

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.

Facts at a glance:

Feature Value
Type: Programmable
Functions: 75
Keys: 30
Precision: 12
Logic: RPN
Display type: LED
Length: 129mm
Width: 67mm
Thickness: 29mm
Weight: 170g
Power Source: 2xAA
Original price: 125
Year introduced: 1977
YearDiscontinued: 1979

See other calculators by Hewlett-Packard