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RosettaCodeData/Task/Fibonacci-sequence/CoffeeScript/fibonacci-sequence-1.coffee

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CoffeeScript
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A-M baby
2013-04-10 21:29:02 -07:00
fib_ana = (n) ->
sqrt = Math.sqrt
phi = ((1 + sqrt(5))/2)
June 2018 Update
2018-06-22 20:57:24 +00:00
Math.round((Math.pow(phi, n)/sqrt(5)))
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