Sqrt Method

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Returns the square root of a specified number.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public static double Sqrt(
	double d
)

Parameters

d
Type: System..::..Double
The number whose square root is to be found.

Return Value

Type: System..::..Double
One of the values in the following table.

d parameter

Return value

Zero or positive

The positive square root of d.

Negative

NaN

Equals NaN

NaN

Equals PositiveInfinity

PositiveInfinity

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