it is beneath the dignity of excellent men to waste their time in calculation when
any peasant .... Wikimedia Commons has media related to
In 1671 the German mathematician-philosopher Gottfried Wilhelm von Leibniz designed a calculating machine called the Step Reckoner. (It was first built in ...
May 21, 2014
Reinventing machines: the transmission history of the
Curta Mechanical Calculator, a small, hand-cranked mechanical calculator introduced by Curt Herzstark in 1948. It can be used to perform addition, subtraction, ...
Jul 14, 2014
Gottfried Wilhelm Von Leibniz (1646-1716) was born in Leipzig, Germany, and traveled to Paris where he studied the mathematical works of Descartes and ...
Jun 11, 2006
Sep 21, 2011