Square is an operation, such as, a square represents a × a, abbreviated as a2 (2 write in the upper right corner of a written, but also to write smaller). Called quadratic square, is the inverse of the square of the square root, also known as the square root of the arithmetic, e.g., 4 × 4 = 16,8 × 8 = 64.
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Classical
Square feet. - Flat and square (stone) - "Goldenthal Mountain in mind"
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Square story
According to legend, there was minister of India invented chess, dedicated to the king, the king is very grateful, so I agreed to meet him one request: put rice on the chessboard. First put a frame, the second frame to put two, then four, eight, 16 ... until into 64 grid. King laughed that he is a fool, thinking that as long as so little meters. Is this really true? In accordance with the requirements of the Minister, filled with 64 cells, need m 1 +2 +2 ² +2 ³ + ... +263 = 264-1 grains. This number is 18446744073709551615, is a twenty digits. These meters mention emptied the treasury, that the whole of India, even the rice all over the world, are unable to meet the requirements of this minister!
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Encyclopedia
Square square The square of [Bu guilty; humble pair paT], a number of Plot "· a = aZ; since this plot represents a positive edge length Square area, so called "square". Ec3 a 3 [Sidebar] called for a · a "square" (as on a · a · a known 'Cube' the same), the ancient Greeks from the geometrical point of view the number of marks Trace Du Yang translation