The first calculating machines multiplied by repeated addition. To multiple by tens, hundreds, or larger units, one shifted the carriage. From the 1870s, a few inventors proposed machines that could ...

There he saw a calculating machine for the first time. In a report on the fair, Barnard wrote: To most persons the process of calculation involves a species of mental labor which is painful and ...

And the first calculating machine, invented by French entrepreneur Charles-Xavier Thomas de Colmar, was put into serial production in 1851. Without the work of these and many other inventors ...

The decision to use electronics for our calculating machines has long been decided. However, that doesn’t mean that mechanical engineers didn’t put up a valiant, if ultimately futile ...

Watch on DVD or Blu-ray starting January 1st, 1968 - Buy Babbages Calculating Machine or Difference Engine DVD ...

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 ...

The German mechanic, constructor, and optician Anton (Antonius) Braun (see the biography of Anton Braun) (1686-1728) from Möhringen (Baden-Württemberg, Germany), was appointed in 1724 as a ...