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- HP-35 Scientific Calculator, 1973 - In 1971, William Hewlett challenged his engineers to miniaturize the company's 9100A Desktop Calculator--a forty-pound machine--into a device small enough to fit into his shirt pocket. The result--the HP-35--was the world's first handheld scientific calculator. It was expensive, but its powerful processing capabilities made it a rapid success, causing the swift abandonment of the slide rule.

- 1973
- Collections - Artifact
HP-35 Scientific Calculator, 1973
In 1971, William Hewlett challenged his engineers to miniaturize the company's 9100A Desktop Calculator--a forty-pound machine--into a device small enough to fit into his shirt pocket. The result--the HP-35--was the world's first handheld scientific calculator. It was expensive, but its powerful processing capabilities made it a rapid success, causing the swift abandonment of the slide rule.
- Hewlett Packard Model 405BR Voltmeter, 1960-1965 -

- 1960-1965
- Collections - Artifact
Hewlett Packard Model 405BR Voltmeter, 1960-1965
- Hewlett Packard 320LX Personal Digital Assistant Notebook Computer, 1997 - Pocket, or palmtop, computers were popular in the late 1990s, filling a category somewhere between PC and PDA. They were light and powerful, with a full keyboard. Users synced files and calendars between their palmtops and their PCs. This HP 320LX, from 1997 was the first palmtop to run Windows. It had wireless internet capability and ran Microsoft Office applications.

- 1997
- Collections - Artifact
Hewlett Packard 320LX Personal Digital Assistant Notebook Computer, 1997
Pocket, or palmtop, computers were popular in the late 1990s, filling a category somewhere between PC and PDA. They were light and powerful, with a full keyboard. Users synced files and calendars between their palmtops and their PCs. This HP 320LX, from 1997 was the first palmtop to run Windows. It had wireless internet capability and ran Microsoft Office applications.