The year 1649 in science and technology consisted of many events, some of which are listed below.

See also: 1648 in science, other events of 1649, 1650 in science, and the list of years in science.

Mathematics

• Frans van Schooten publishes the first Latin version of René Descartes' La Géométrie. His commentary makes the work understandable to the broader mathematical community. The latin version also includes Florimond de Beaune 's Notes brièves, the first important introduction to Descartes' cartesian geometry

Births

Deaths