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 German full-keyboard electric ...

In 1623, a German astronomer invented the earliest known mechanical calculating machine, known as the calculating clock.

In the early 20th century, William A. Morschhauser of New York City became the exclusive American distributor of the Millionaire calculating machine. He placed machines at several United States ...

Invented by Leonardo Torres in 1920, the Torres calculating machine is a machine that solves essential addition, subtraction, multiplication, and division problems using a simple manner. It was a ...

Christie’s has halted the sale of a rare 17th-century arithmetic machine that was due to be auctioned on November 19. Hours before the Pascaline, named after its polymath inventor Blaise Pascal, was ...

“The first digital use of the transistor for consumers was in a calculator,” says Rick Bensene, curator of the Old Calculator Web Museum. Our series on the birth of the transistor — and with it, the ...

Christie's suspended its sale of the first calculating machine after an export ban kept it from leaving France, according to the South China Morning Post. One of only nine surviving examples of a ...

THE rapid development of large-scale, high-speed calculating machines which has taken place in the United States in recent years is still not fully appreciated in Great Britain. These machines, in one ...

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In a unanimous panel ruling, the Federal Circuit has found that the calculating machine of U.S. Patent No. 388,116 fails to meet the eligibility requirements of 35 U.S.C. § 101. Inventor W.S.