Sqrt PowerScript function

Calculates the square root of a number.

<span>Sqrt</span> ( <span>n</span> )

1	<span>Sqrt</span> ( <span>n</span> )

Argument	Description
n	The number for which you want the square root

Double. Returns the square root of n.
If n is null, Sqrt returns null.

Sqrt(n) is the same
as n^.5. Taking the square root of a negative
number causes an execution error.

This statement returns 1.414213562373095:

<span>Sqrt</span>(2)

1	<span>Sqrt</span>(2)

This statement results in an error at execution time:

<span>Sqrt</span>(-2)

1	<span>Sqrt</span>(-2)

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