Policies & Guidelines

COMBIN

N choose K

Description

Calculates the "n choose k" / nCk combinatorics function for the given parameters, returning the number of ways K objects can be chosen from a pool of N objects.

Function signature

COMBIN(n: Number, k: Number) => Number

Parameter

Description

N

The size of the pool of objects to choose from

K

The number of objects to choose.

Examples

Formula

Return value

COMBIN(5, 3)

10

COMBIN(6, 3)

20

COMBIN(5, 0)

1

COMBIN(5, 5)

1