Permutation & Combination Calculator

Combinations (nCr)

120

Order Neutral

Permutations (nPr)

720

Order Sensitive

With Repetitions ($n^r$): 1000

Circular $((n-1)!)$: 362,880

The ratio of permutations to combinations is exactly $r!$. For $r=3$, each combination has 6 possible ordered permutations.

Quantum Combinatorics