Description:
- Object ID: SHF 2015.01.34
- Made by: Hewlett Packard
- Model: HP25C
- Serial Number: 1610S16039
- Date Made: Introduced in 1975
- Approximate size: 13 cm. length, 7 cm. width, 3 cm thick
- Accessories: n/a
- Condition: Good
Commentary:
The HP25C was an improved version of the HP25 as it had continuous memory. Programs and data were retained when the calculator was turned off, because the new low power CMOS memory was powered even in the “off” state.
Source of Object: Originally belonged to Reg Watson, ALS.
Notes: This is the only HP25C in the collection
References: Visit the article Finally, Computers could be taken to the Field and https://www.hpmuseum.org/hp25c.htm for additional information.
Description by: Entered by Ed Titanich, October 1, 2025.