Counting Combinations With Repetition Calculator

Simple online calculator to find the number of combinations with n possibilities, taken r times. These calculations are used when you are allowed to choose an item more than once.

Counting Combination With Repetition Calculation

Number of types to choose from (n)
Number of times chosen (r)
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Formula: Where, n is the number of types, r is the number (of times) to be chosen.

Counting Combination with repetition calculation is made easier here.

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