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Math.Sqrt Method

Returns the square root of a specified number.

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

public static function Sqrt(
	d : double
) : double

Parameters

d
Type: System.Double

A number.

Return Value

Type: System.Double

Value of d

Returns

Zero, or positive

The positive square root of d.

Negative

NaN

If d is equal to NaN or PositiveInfinity, that value is returned.

The following example uses Sqrt to assist in the computation of the inner angles of a given trapezoid.

No code example is currently available or this language may not be supported.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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