Enter 30 for Number of sample points in set. Button each time after entering the necessary digits. You can use the following combination formula that will allow you to determine the number of combinations in no time.
I want to find the total of possible unique combinations of numbers example.
You multiply these choices together to get your result. Get a list of unique values sorted in alphabetical order. You can also use the nCr formula to calculate combinations but this online tool is much easier. After that you simply enclose the formula in the ROWS function to calculate the number of rows.