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ugofred/Ugochukwu, Joshua I, Joshua O,

Last active September 29, 2016 12:40
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Code for finding the square root of a number
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Ugochukwu, Joshua I, Joshua O,
[1] pry(main)> def square(n, diff)
[1] pry(main)* guess = refine(1, n)
[1] pry(main)* while (((guess * guess) - n ) .abs > diff)
[1] pry(main)* guess = refine(guess, n)
[1] pry(main)* end
[1] pry(main)* puts guess
[1] pry(main)* end
=> :square
[2] pry(main)> def refine(guess, n)
[2] pry(main)* guess = (guess + (n / guess)) / 2.0
[2] pry(main)* end
=> :refine
[3] pry(main)> square(2, 0.000001)
1.4142135623746899
=> nil
[4] pry(main)>
=> nil
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