Combinations Calculator
Calculates the number of ways that r objects can be chosen from a set of n objects, nCr.
n: The number of objects to choose from.
r: The number of objects to chosen from set n.
Example
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
Reference: