The Spice series were build between 1978 and 1983. The series contains 8 different models. The code names for the models are called after spices. With this series the continuous memory was introduced. The model numbers ended in C have this feature.
Model |
Type |
Short description |
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HP-31E | Scientific | Low end scientific calculator, not programmable. Successor of the HP-21. |
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HP-32E | Scientific | Midrange scientific calculator. An HP-31E with additional features, not programmable |
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HP-33C | Scientific | Same as the HP-33E with a continuous memory | |
HP-33E | Scientific | A programmable midrange scientific calculator. Successor of the HP-25 |
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HP-34C | Scientific | High end scientific calculator. Programmable and with a continuous memory. |
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HP-37E | Business | Low end business calculator. | |
HP-38C | Business | High end business calculator with continuous memory | |
HP-38E | Business | High end business calculator. |
The picture above shows the LED display of a Spice series calculator. The display is equal to the display of the Woodstock series.
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The keyboards of the Spice series looks equal to the keyboards of the Woodstock series. Both series have 30 keys with one, two or even three shift keys. The picture on the left shows the keyboard of an HP-34C. This calculator has 3 shift keys, labeled f, g en h. So most keys on this calculator have 4 functions! |
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The calculators of the Spice series are supplied with a battery pack containing 2 AA size NICd batteries. These batteries are connected in series to deliver a total supply voltage of about 2.4 Volt. The batteries are hold together by a metal clip. This clip is also used to connects both batteries in series. The batteries are charged in the calculator when supplied by its main charger. More information about the batteries can be found here. |
HP 82090B. Mains charger. Secondary 9V AC, 0.9 VA. See also here.
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HP 82110A Vinyl case
HP 82103A Reserve Battery Pack
For those who are curious how a Spice Series calculator looks inside:
An HP-32E opened, calculator 1 and calculator 2.
For more Spice series related links see the specific Spice model pages.