Combinations with Replacement Calculator
How does the Combinations with Replacement Calculator work?
Calculates the following:
How many combinations can we have from a sample of r elements from a set of n distinct objects where order does matter and replacements are not allowed?
What formulas are used for Combinations with Replacement?
CR(n,r) = (n + r - 1)!/r! (n - 1)!
What 2 concepts are covered in the Combinations with Replacement Calculator?
combination
a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter
nPr = n!/r!(n - r)!
factorial
The product of an integer and all the integers below it
