Combination Calculator(also known as "n choose r" or binomial coefficient)
Combinatorial Formula (taking r at a time)C(n,r) =
n! /r!(n − r)!
Combinatorial Sample ProblemChase has a 12 different colored marbles and he is going to take 3 of them, how many combinations exist given the scenario?
Using the formula:
12! /3!(12 − 3)!
The answer is: 220, which means there are 220 different combinations for this problem.