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 ...

A MECHANICAL calculating machine for solving simultaneous linear equations up to ten in number under construction at the Massachusetts Institute of Technology by Drs. V. Bush and J. B. Wilbur was ...

Calculating machines, narrowly defined, are devices designed to add, subtract, multiply and divide through the motion of their parts, with the result represented by an array of digits. A slightly ...

THE calculating machine for the solution of differential equations constructed by Dr. V. Bush, of the Massachusetts Institute of Technology, has attracted a great deal of attention, and a similar ...

Léon Bollée, “Calculating-Machine,” U.S. Patent 556720, March 17, 1896. This patent lists Bollée’s French, Belgian and British patent numbers in addition to describing the machine. Leon Bollée, ...

Calculating Machines Can Yield National Industrial Production Goals, Expert Says Mark III Calculator May Also Be Able to Predict Chances Of Couple's Marital Success. NO WRITER ATTRIBUTED.

The device appears to be a geared astronomical calculation machine of immense complexity. Today we have a reasonable grasp of some of its workings, but there are still unsolved mysteries.