This full-keyboard direct multiplication non-printing electric calculating machine has an iron and steel case painted black, The nine columns of plastic black and white keys are colored according to ...

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 ...

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 ...

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. A press release from the auction house called the ...

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 ...

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 ...