Permutations (nPr)
n!/(n−r)!.
Calculator
How to use
n ≤ 170
Factorial limits.
Educational use only. For assessments, show reasoning and check boundary cases.
n!/(n−r)!.
Factorial limits.
Educational use only. For assessments, show reasoning and check boundary cases.
Model / formula
n!/(n−r)!
Result
P(n,r) = 720