Find the number of ways of choosing r unordered outcomes from n possibilities
as nCr (or nCk).
Combinatorics. Generator of
Here n choose k tells you that in how many ways we can choose k toys in the
given n no of toys. In the same way n choose k
As you can see, 10!, pronounced 10 factorial, is a large number. What about 20!
or 100!? Most
Calculates the number of