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 ...

This lever-set pinwheel non-printing and manually operated calculating machine has a steel casing painted black, a steel mechanism, and nine levers for entering numbers. A small metal lever is at the ...

Jeroen van den Bos and Davy Landman honor the computer scientist Alan Turing by recreating his calculating machine with LEGOs. Kasia Cieplak-Mayr von Baldegg is the former executive producer and ...

SCIENTIFIC computing has been materially aided of late years by the development of calculating machines, a development in which scientific workers themselves have had a say. We may instance the use of ...

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 ...