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 ...

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 ...

This lever-set, non-printing manually operated connection pawl calculating machine has an open iron frame with steel and brass parts and paper labels. Five pins at the front of the machine slide back ...

The German mechanic, constructor, and optician Anton (Antonius) Braun (see the biography of Anton Braun) (1686-1728) from Möhringen (Baden-Württemberg, Germany), was appointed in 1724 as a mechanician ...

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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 ...

The first electronic computer was built during the 1940s by John Vincent Atanasoff, a professor of physics and mathematics at Iowa State University, and one of his students, Clifford E. Berry. But the ...