HP Calculators

 

HP Calculators. Many pocket calculators have interesting stories, but the calculators built by Hewlett Packard have a special place in the calculator history. In the following pages, we present their 30+ year long history in chronological order.

HP calculators were manufactured in groups of similar types, called families or series. The calculators in each family had similar characteristics, size and color (and price). Click on the corresponding family below to explore them.

35, 45, 55, 65, 67, 70, 80
Classic

21, 22, 25, 25C, 27, 29
Woodstock
91,92,97,97S
Topcat
10,19C
Sting

Cricket
31E, 32E, 33C, 33E, 34C, 37E, 38C, 38E
Spice
10C, 11C, 12C, 15C, 16C
Voyager
41C, 41CV, 41CX
Coconut
71B, 75C/D
Handheld
18C, 19B, 19B-II, 28C, 28S
Champion
10B, 14B, 17B, 17B-II, 20S, 21S 22S, 32S, 32S-II, 27S, 42S
Pioneer
38G, 39G, 40G, 48G, 48G+, 48GX, 48S, 48SX, 49G
Charlemagne
  6S, 10B-II, 30S
New Generation
 

Calculators displaying this image have been generously donated by our friends. We would like to thank them for their contribution and would also like to encourage the rest of our friends to do the same. Please click here to visit the Donations page.

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