**number line** — n. Math. a straight line, theoretically extending to infinity in both positive and negative directions from zero, that shows the relative order of the real numbers … English World dictionary

**Number line** — For other uses, see Number line (disambiguation). In basic mathematics, a number line is a picture of a straight line on which every point is assumed to correspond to a real number and every real number to a point.[1] Often the integers are shown … Wikipedia

**number line** — Math. a straight line on which there is indicated a one to one correspondence between points on the line and the set of real numbers. Also called real line. [1955 60] * * * … Universalium

**number line** — noun A line that graphically represents the real numbers as a series of points whose distance from an origin is proportional to their value … Wiktionary

**number line** — noun : a line of infinite extent whose points correspond to the real numbers according to their distance in a positive or negative direction from a point arbitrarily taken as zero … Useful english dictionary

**Number line (disambiguation)** — A number line may refer to A one dimensional picture of the real numbers The print run number shown on the title page of a book This disambiguation page lists articles associated with the same title. If an … Wikipedia

**Extended real number line** — Positive infinity redirects here. For the band, see Positive Infinity. In mathematics, the affinely extended real number system is obtained from the real number system R by adding two elements: +∞ and −∞ (read as positive infinity and negative… … Wikipedia

**real number line** — noun A geometric representation of the real number system. Syn: real line … Wiktionary

**Line 1 (Budapest Metro)** — Line number Line 1 ( Yellow metro ) Technical Line length 4.4 km Track gauge 1435 mm … Wikipedia

**Number form** — This article refers to the neurological phenomenon. For Unicode numbers, see Number Forms. A number form from one of Francis Galton s (1881b) subjects. Note the convolutions, and how the first 12 digits correspond to a clock face. A number form… … Wikipedia