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A Number is a mathematical object used to represent a quantity or measure



  1. Gilsdorf, Thomas E. Introduction to Cultural Mathematics: With Case Studies in the Otomies and Incas, John Wiley & Sons, Feb 24, 2012.
  2. Restivo, S. Mathematics in Society and History, Springer Science & Business Media, Nov 30, 1992.
  3. Ore, Oystein. Number Theory and Its History, Courier Dover Publications.
  4. Gouvea, Fernando Q. The Princeton Companion to Mathematics, Chapter II.1, "The Origins of Modern Mathematics", p. 82. Princeton University Press, September 28, 2008. ISBN 978-0691118802.


  • WordNet.
    • the property possessed by a sum or total or indefinite quantity of units or individuals; "he had a number of chores to do"; "the number of ...
    • a concept of quantity involving zero and units; "every number has a unique position in the sequence"
    • act: a short theatrical performance that is part of a longer program; "he did his act three times every evening"; "she had a catchy little routine"; "it was one of the best numbers he ever did"
    • phone number: the number is used in calling a particular telephone; "he has an unlisted number"
    • numeral: a symbol used to represent a number; "he learned to write the numerals before he went to school"
    • total: add up in number or quantity; "The bills amounted to $2,000"; "The bill came to $2,000"
    • issue: one of a series published periodically; "she found an old issue of the magazine in her dentist's waiting room"
    • give numbers to; "You should number the pages of the thesis"
    • a select company of people; "I hope to become one of their number before I die"
    • enumerate; "We must number the names of the great mathematicians"
    • a numeral or string of numerals that is used for identification; "she refused to give them her Social Security number"
    • count: put into a group; "The academy counts several Nobel Prize winners among its members"
    • a clothing measurement; "a number 13 shoe"
    • count: determine the number or amount of; "Can you count the books on your shelf?"; "Count your change"
    • the grammatical category for the forms of nouns and pronouns and verbs that are used depending on the number of entities involved (singular or dual or plural); "in English the subject and the verb must agree in number"
    • place a limit on the number of
    • an item of merchandise offered for sale; "she preferred the black nylon number"; "this sweater is an all-wool number"
  • (WordNet, 2009) ⇒
    • S: (n) scalar (a variable quantity that cannot be resolved into components)
    • S: (adj) scalar (of or relating to a musical scale) "he played some basic scalar patterns on his guitar"
    • S: (adj) scalar (of or relating to a directionless magnitude (such as mass or speed etc.) that is completely specified by its magnitude) "scalar quantity"
    • Adjective
      • 1. (mathematics) Having magnitude but not direction
      • 2. Of, or relating to scale
    • Noun
      • 1. (mathematics) A quantity that has magnitude but not direction; compare vector
      • 2. (electronics) An amplifier whose output is a constant multiple of its input
    • Definition:A scalar, generally speaking, is another name for "real number."
    • Definition: A vector of dimension n is an ordered collection of n elements, which are called components. … It can represent magnitude and direction simultaneously.