real number line

real number line

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• Real projective line — In real analysis, the real projective line (also called the one point compactification of the real line, or the projectively extended real numbers ), is the set mathbb{R}cup{infty}, also denoted by widehat{mathbb{R and by mathbb{R}P^1.The symbol… …   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

• 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

• real number system — noun The complete ordered field (of real numbers). See Also: real number line …   Wiktionary

• 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

• Real number — For the real numbers used in descriptive set theory, see Baire space (set theory). For the computing datatype, see Floating point number. A symbol of the set of real numbers …   Wikipedia

• 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

• 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 Date: 1956 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 …   New Collegiate Dictionary

• 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