# Frac Function

Returns the fractional portion of a number.

Frac (Number)

Double

Number: Any valid numeric expression.

D'oh! You found a bug (text/sbasic/shared/00000003.xhp#err5 not found).

```
Sub ExampleFrac
Print Frac(3.99) ' returns the value 0.99
Print Frac(0) ' returns the value 0
Print Frac(-3.14159) ' returns the value -0.14159
End Sub
```