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Square roots by Divide-and-Average
This method dating back to the Babylonians (1700 B.C.) is known as the Babylonian Algorithm.
If A > 0 is a guess of the square root of the positive number Q, then a better approximation to √Q is given by
B = (A + Q/A)/2.
http://www.mathpath.org/Algor/squareroot/algor.squ
created by algorithms on 2008-06-19 02:54:46
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