This full-keyboard, non-printing electric pinwheel calculating machine has nine columns of plastic keys, colored according to the place value of digits entered. At the base of each bank of keys is a ...

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 ...

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 ...

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 ...

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