# FACT

Returns the factorial of a number, equal to the series 1*2*3*...* , ending in the given number.

## Syntax

```
FACT(<number>)
```

#### Parameters

Term | Definition |
---|---|

number | The non-negative number for which you want to calculate the factorial. |

## Return value

A decimal number.

## Remarks

If the number is not an integer, it is truncated and an error is returned. If the result is too large, an error is returned.

## Example

The following formula returns the factorial for the series of integers in the column, `[Values]`

.

```
=FACT([Values])
```

The following table shows the expected results:

Values | Results |
---|---|

0 | 1 |

1 | 1 |

2 | 2 |

3 | 6 |

4 | 24 |

5 | 120 |

170 | 7.257415615308E+306 |