RosettaCodeData/Task/Fibonacci-sequence/CoffeeScript/fibonacci-sequence-1.coffeescript
Ingy döt Net d066446780 langs a-z
2013-04-10 22:43:41 -07:00

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Text

fib_ana = (n) ->
sqrt = Math.sqrt
phi = ((1 + sqrt(5))/2)
return Math.round((Math.pow(phi, n)/sqrt(5)))