RosettaCodeData/Task/Fibonacci-sequence/CoffeeScript/fibonacci-sequence-1.coffee
2018-06-22 20:57:24 +00:00

4 lines
109 B
CoffeeScript

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