IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This pocket-sized sheet metal ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This rectangular yellow, orange, ...

In February 1972, the first relatively affordable and hand-held electronic calculator was made available, for scientists only, priced at $395. Hewlett Packard's HP-35 was the first handheld calculator ...

My thoughts go back 50 years to junior high geometry. We were required to buy a slide rule and instructed in its use. Later, my parents bought me one of the first handheld calculators as a high school ...

Today's engineer has a number of computerized tools for performing electronic calculations. There's the latest Simple 'n Easy on-the-go learning app, Electrical ...