Find the Square Root of Rational Numbers
If you have any square roots to find, throw away your calculator and do them by hand! As Pythagoras used to say, "I don't need no stinking abacus!".
The method of approximations discussed in the article also can be used in computer programming to speed up the computation of graphics, as there are many square root calculations which can significantly slow graphic and physic engines. Many times the calculation only needs to be to one decimal place accuracy to place a point on the screen.
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