(Encyclopedia) arithmetic, branch of mathematics commonly considered a separate branch but in actuality a part of algebra. Conventionally the term has been most widely applied to simple teaching of…
(Encyclopedia) bighorn or Rocky Mountain sheep, wild sheep, Ovis canadensis, of W North America, formerly plentiful in mountains from SW Canada to N Mexico. Indiscriminate hunting, disease, and…
(Encyclopedia)
CE5
Chinese abacus: Numbers are represented by moving beads to the central crossbar.
abacusabacusăbˈəkəs, əbăkˈ– [key], in mathematics, simple device for performing arithmetic…
(Encyclopedia) number theory, branch of mathematics concerned with the properties of the integers (the numbers 0, 1, −1, 2, −2, 3, −3, …). An important area in number theory is the analysis of prime…
(Encyclopedia) algebra, branch of mathematics concerned with operations on sets of numbers or other elements that are often represented by symbols. Algebra is a generalization of arithmetic and gains…
(Encyclopedia) valence, combining capacity of an atom expressed as the number of single bonds the atom can form or the number of electrons an element gives up or accepts when reacting to form a…
(Encyclopedia) Smith, Henry John Stephen, 1826–83, British mathematician. He was a lecturer in mathematics (1850–73) and, from 1860 to 1883, Savilian professor of geometry at Oxford. He is especially…
(Encyclopedia) AgagAgagāˈgăg [key], in the Bible. 1 King of the Amalekites who was defeated and spared by Saul, but killed by Samuel. 2 The allusion is not understood as it occurs in the Book of…
(Encyclopedia) sweepstakes, contest or race, usually a horse race, on which a lottery is run. Prizes are awarded to the holders of winning tickets. In the case of a horse race, the draw is made from…
(Encyclopedia) Berkeley, BusbyBerkeley, Busbybŭzˈbē bûrˈklē [key], 1895–1975, American film director and choreographer, b. Los Angeles as William Berkeley Enos. Self-taught, he choreographed several…
