Combinations and Permutations Whats the Difference. 1234 - Comma Space. Select list item separator you want each combination delimited by None.
To give you a practical illustration we would be calculating the number of possible combinations in two different configurations of sets and subsets.
N - r where n represents the total number of items and r represents the number of items being chosen at a time. So the number of combinations is equal to the number of permutations divided by the size of the groups which in this case is 6. 1 2 3 4 - Comma. 1 4 6 1 4 16 different possibilities.