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Shakuntala Devi (4 November 1929 – 21 April 2013) was an Indian mental calculator, astrologer, and writer, popularly known as the "Human Computer".Her talent earned her a place in the 1982 edition of The Guinness Book of World Records.
Principal root of unity. In mathematics, a principal n-th root of unity (where n is a positive integer) of a ring is an element satisfying the equations. In an integral domain, every primitive n -th root of unity is also a principal -th root of unity. In any ring, if n is a power of 2, then any n /2-th root of −1 is a principal n -th root of ...
Snake cube. The snake cube is a mechanical puzzle, a chain of 27 or 64 cubelets, connected by an elastic band running through them, creating a specific sequence of straight and bent connections. The cubelets can rotate freely. The aim of the puzzle is to arrange the chain in such a way that they will form a 3×3×3 or 4×4×4 cube.
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Volume: The cube root of one million is one hundred, so a million objects or cubic units is contained in a cube a hundred objects or linear units on a side. A million grains of table salt or granulated sugar occupies about 64 mL (2.3 imp fl oz; 2.2 US fl oz), the volume of a cube one hundred grains on a side.
While the book used continued fractions to find the roots of equations, Liu Hui built on this idea in the 3rd century when he increased the decimals to find the cube root of 1,860,867 (yielding the answer 123), the same method used in the Horner scheme named after William George Horner (1786–1837). Approximations of pi
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In mathematics, the degree of a polynomial is the highest of the degrees of the polynomial's monomials (individual terms) with non-zero coefficients. The degree of a term is the sum of the exponents of the variables that appear in it, and thus is a non-negative integer. For a univariate polynomial, the degree of the polynomial is simply the ...