# SQRTPI Function

The SQRTPI function is one of the math and trigonometry functions. It is used to return the square root of the pi constant (3.14159265358979) multiplied by the specified number.

The SQRTPI function syntax is:

SQRTPI(number)

where number is the number you wish to multiply the pi constant by, a numeric value entered manually or included into the cell you make reference to.

Note: if the number is negative, the function returns the #NUM! error.

To apply the SQRTPI function,

1. select the cell where you wish to display the result,
2. click the Insert Function icon situated at the top toolbar,
   or right-click within a selected cell and select the Insert Function option from the menu,
   or click the icon situated at the formula bar,
3. select the Math and trigonometry function group from the list,
4. click the SQRTPI function,
5. enter the required argument,
6. press the Enter button.

The result will be displayed in the selected cell.