yjcyxky
10/18/2019 - 3:26 PM

Factorial Fun

Difficulty: Easy

Topics: math

Write a function which calculates factorials.

(= (__ 1) 1)

(= (__ 3) 6)

(= (__ 5) 120)

(= (__ 8) 40320)
factorials.clj
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(fn factorials [num]
  (cond
   (= num 1) 1
   (> num 1) (* num (factorials (- num 1)))))