Combinations Calculator (nCr)
This calculator finds the number of combinations, C(n,r), from a set of $n$ objects with a sample size of $r$.
The formula for combinations is: $C(n,r) = {n \\choose r} = \\frac{n!}{r!(n-r)!}$
This calculator finds the number of combinations, C(n,r), from a set of $n$ objects with a sample size of $r$.
The formula for combinations is: $C(n,r) = {n \\choose r} = \\frac{n!}{r!(n-r)!}$