Description:
- Object ID: ALSA 2008.02.04
- Made by: Hewlett Packard
- Model: HP21
- Serial Number: 1607S19611
- Date Made: Circa 1975 to 1978.
- Approximate size: 13 cm length, 7 cm width, thickness 3 cm (top) and 2.5 cm (bottom)
- Accessories: Charger
- Condition: Good
Commentary:
The HP21 basically had the same functionality as an HP35, however it had 33% more ROM which allowed for a few extra features. It was not programmable.
This calculater was used by Kinloch Underwood Associates Ltd for calculations for land surveys in Alberta.
Source of Object: Donated by Kinloch Underwood Associates Ltd.
Notes: The Society has only one in their collection.
References: Visit the article Finally, Computers could be taken to the Field for additional information. Also see https://www.hpmuseum.org/hp21.htm.
Description by: Ed Titanich, October 1, 2024