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
Dom Jacques Alexandre etc., Alexandre added a sixth part to Huygens' treatise "De horologio oscillatorio", in which he describes a clock the length of whose pendulum was automatically varied to enable it to indicate apparent solar instead of mean solar time. A description of the pendulum mechanism, which never came into practical use, may be found in Berthoud's "Essai sur l'horlogerie", Paris, 1786, I, xvii, where some of its defects are pointed out. Dom Jacques Alexandre Dom Jacques Alexandre (24 January 1653 at Orléans, France – 23 June 1734 at Bonne-Nouvelle) was a learned Benedictine monk of the Congregation of St. Maur. He