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 will sell an example of the first calculating machine in history, developed by Blaise Pascal in 1642, at an upcoming auction in Paris.

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 full-keyboard manually operated ...

National 3000 automatic bookkeeping calculating machine no 101364 42-BT, by National Cash Register Company Limited, England, 1935-1945. This machine was formerly the property of Dr. L J Comrie FRS.

Ada Lovelace, daughter of poet Lord Byron and mathematician Annabella Milbanke, became the world's first programmer in 1843 with her algorithm for Charles Babbage's Analytical Engine. Learning to ...