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Hewlett-Packard HP 19C (Sting CLYDE)

Hewlett-Packard HP 19C
Image: Wikimedia CC BY-SA 3.0

The Hewlett-Packard HP 19C is a programmable calculator with 12 digits precision and RPN (reverse polish notation) logic. It has 81 functions, 31 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4x1.2V NiCd battery pack. Note: HP29C with printer. Named "Continuous Memory". Only 16 from the 30 registers are saved within this "Continuous Memory".

Facts at a glance:

FeatureValue
TypeProgrammable
Functions81
Keys31
Precision12
LogicRPN
Display typeLED
PrinterYes
Length165mm
Width88mm
Thickness40mm
Weight350g
Power Source4x1.2V NiCd battery pack
Year introduced1977
Year discontinued1979

Replacements:

If you have a Hewlett-Packard HP 19C that is no longer working, 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