Euclid of Alexandria

Euklid of alexandria Euclid from Alexandria , about 300 B.C., was a Greek mathematician, elderly than Archimedes, but younger than Eudoxos. Euclid's chief work Elements in 13 books were up to 1900'th century basis for any study of mathematics as a systematic deductive system. Book 1 and 2 therapist plans straight geometry, 3 circling, 4 regular polygons, 5 the theory of conditions (proportion), 6 plane geometry during use of conditions, 7-9 number theory, especially over prime number, 10 square incompatible line piece, 11 elementary space geometry, 12 the exhaustionsmetod and 13 regular polyhedrons. Later mathematicians added some 14'th and 15'th