charles xavier thomas de colmar

English - English

Definition of charles xavier thomas de colmar in English English dictionary

born 1785, Colmar, Fr. died 1870, Paris French mathematician. In 1820, while serving in the French army, he built his first arithmometer, which could perform basic addition, subtraction, multiplication, and division. The first mechanical calculator to gain widespread use, it became a commercial success and was still being used up to World War I

Hyphenation

Charles Xa·vi·er Thom·as de Col·mar