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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The Swedish-born inventor Carl Friden ...

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 ...

Grant’s difference engine was invented in 1876 by George Grant. It was a calculating machine and was invented as a way to advance the current calculating machine technology. It used the latest design ...

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A rare liveaction and closeup study of the only existing Babbage Difference Engine a machine designed in the first quarter of the 19thCentury by English inventor and mathematician Charles Babbage The ...

Frustrated by human error, mathematician and inventor Charles Babbage designed a machine to perform mathematical functions and automatically print the results. Library of Congress When today’s number ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. In 1642, French mathematician Blaise Pascal invented a calculating machine that could add and ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...