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Combinations Calculator

Calculates the number of ways that r objects can be chosen from a set of n objects, nCr.


Formula: combin(fcN,fcR)

n: The number of objects to choose from.

r: The number of objects to chosen from set n.


Compute the number of five-card hands possible from a standard fifty-two card deck.

Value Keystrokes Display Description
52 n 52.00 Stores the n value.
5 r 5.00 Stores the r value
  nCr 2,598,960.00 Calculates the number of combinations.

Due to the nature of this function, it is difficult to solve for the n or r values.

Also see Permutations Formula Calculator


Combinations - Wikipedia