Permutation

 1
 2
 3
 4
 5
 6
 7
 8
 9
10

        /// <summary>
        /// https://groophy-inc.github.io/permutation
        /// </summary>
        /// <param name="n"></param>
        /// <param name="k"></param>
        /// <returns></returns>
        public static GValue Permutation(GValue n, GValue k)
        {
            return (Division(Factorial(n), Factorial(Subtraction(n, k))));
        }