# Manuals/calci/COMBINATIONS

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**COMBINATIONS (Array,HowMany)**

- is the set of numbers.
- is the number of choices.

## Description

- This function shows the combination of the given numbers.
- A combination is a selection of all or part of a set of objects, without regard to the order in which objects are selected.
- In , is the set of numbers and is the described number of choice.
- The number of ways of picking k unordered outcomes from n possibilities.
- Also known as the binomial coefficient or choice number and read "n choose k" .
- .
- Here COMBINATIONS shows the choices of the selected objects.

## Examples

1.COMBINATIONS([3,8,12],2)

3 | 8 |

3 | 12 |

8 | 12 |

2.COMBINATIONS([10,18,300,23,192],3)

10 | 18 | 300 |

10 | 18 | 23 |

10 | 18 | 192 |

10 | 300 | 23 |

10 | 300 | 192 |

10 | 23 | 192 |

18 | 300 | 23 |

18 | 300 | 192 |

18 | 23 | 192 |

300 | 23 | 192 |

## Related Videos

## See Also

## References