What Is Mathematics? Expectations" by Charles Dickens. According to Constance Reid, Courant finalized the title after a conversation with Thomas Mann. What Is Mathematics? What Is Mathematics? is a mathematics book written by Richard Courant and Herbert Robbins, published in England by Oxford University Press. It is an introduction to mathematics, intended both for the mathematics student and for the general public. First published in 1941, it discusses number theory, geometry, topology and calculus. A second edition was published in 1996 with an additional chapter on recent progress in mathematics, written by Ian Stewart. The book was based on Courant's course material. Although
Cesar Department of 1850, Valledupar was segregated from Santa Marta becoming the province of Valledupar. In 1857 became a province of the state of Magdalena and by Law of December 29, 1864 became the department of Valledupar pertaining to state of Magdalena. On December 21, 1967 the department of Cesar was created officially. The "Cesar" name is an adaptation from the Chimila indigenous word "Chet-tzar" or "Zazare" ("calm water") into Spanish, in reference to the Cesar River. The valley that its basin covers is also named after the river and extends through most of the department. The department of Cesar was created