RosettaCodeData/Task/Combinations-and-permutations/11l/combinations-and-permutations.11l

F perm(=n, p)
   BigInt r = 1
   V k = n - p
   L n > k
      r *= n--
   R r

F comb(n, =k)
   V r = perm(n, k)
   L k > 0
      r I/= k--
   R r

L(i) 1..11
   print(‘P(12,’i‘) = ’perm(12, i))
L(i) (10.<60).step(10)
   print(‘C(60,’i‘) = ’comb(60, i))