Most early calculating machines carried out multiplication as a form of repeated addition. To multiply, say, by thirteen, one set the carriage at its rightmost position, turned the operating crank ...

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 ...

The sale of an ancient arithmetic machine known as the 'Pascaline' has been suspended after a French administrative court blocked its export. Leading auction house Christie's decided to call off its ...

[PARIS] Christie’s said on Wednesday (Nov 19) it was suspending the Paris auction of one of just a handful of examples of the world’s first calculating machine, developed by French mathematician and ...