Hi there -
How do I find out how many combinations i can have with the following in EXCEL..
I need to know how many combinations a person can have with choosing 4 classes ( they can choose 1, 2, 3 or 4 ) but cannot overlap..
ex:
Math, English, Science, History ( 1 combination)
Math, English (2nd)
Science, English, History (3rd)
Math, English, Science (4th)
So on...
... english, math ( does not count as a combination) - since it already exist.
please advise
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