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41Square-free integer — In mathematics, a square free, or quadratfrei, integer is one divisible by no perfect square, except 1. For example, 10 is square free but 18 is not, as it is divisible by 9 = 32. The smallest square free numbers are :1, 2, 3, 5, 6, 7, 10, 11, 13 …
42Square One (puzzle) — This article is about the puzzle. For the popular phrase, see Back to square one. The Square One, also known as Back to Square One and Cube 21, is a puzzle similar to the Rubik s Cube. Its distinguishing feature among the numerous Rubik s Cube… …
43Square (algebra) — In algebra, the square of a number is that number multiplied by itself. To square a quantity is to multiply it by itself.Its notation is a superscripted 2 ; a number x squared is written as x ². Thus: If x is a positive real number, the value of… …
44Square Pegs — infobox television show name = Square Pegs format = Comedy camera = Single camera runtime = 30 minutes creator = Anne Beatts starring = Sarah Jessica Parker Amy Linker theme music composer = The Waitresses country = USA network = CBS first aired …
45square set — noun 1. : any of the rectangular sets used in the square set system of mining 2. : a group of four couples arranged in a square for a square dance * * * Mining. a set having 12 timbers joined to form eight 90° solid angles. [1815 25, Amer.] * * * …
46square sails — Sail Sail, n. [OE. seil, AS. segel, segl; akin to D. zeil, OHG. segal, G. & Sw. segel, Icel. segl, Dan. seil. [root] 153.] 1. An extent of canvas or other fabric by means of which the wind is made serviceable as a power for propelling vessels… …
47Square root of a matrix — In mathematics, the square root of a matrix extends the notion of square root from numbers to matrices. A matrix B is said to be a square root of A if the matrix product B · B is equal to A.[1] Contents 1 Properties 2 Computation methods …
48square — [[t]skwe͟ə(r)[/t]] ♦♦ squares, squaring, squared 1) N COUNT A square is a shape with four sides that are all the same length and four corners that are all right angles. Serve the cake warm or at room temperature, cut in squares... There was a… …
49square — /skwɛə / (say skwair) noun 1. a four sided plane having all its sides equal and all its angles right angles. 2. anything having this form or a form approximating it. 3. one of the rectangular or otherwise shaped divisions of a game board, as a… …
50square — I. noun Etymology: Middle English, from Anglo French esquarre, from Vulgar Latin *exquadra, from *exquadrare to square, from Latin ex + quadrare to square more at quadrate Date: 13th century 1. an instrument having at least one right angle and… …
