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BigInteger.Log10 Method

Returns the base 10 logarithm of a specified number.

Namespace:  System.Numerics
Assembly:  System.Numerics (in System.Numerics.dll)
public static double Log10(
	BigInteger value
)

Parameters

value
Type: System.Numerics.BigInteger
A number whose logarithm is to be found.

Return Value

Type: System.Double
The base 10 logarithm of value, as shown in the table in the Remarks section.
ExceptionCondition
ArgumentOutOfRangeException

The base 10 log of value is out of range of the Double data type.

The value parameter is specified as a base 10 number.

The precise return value of the method depends on the sign of value, as the following table shows.

Sign of value parameter

Return value

Positive

The base 10 log of value; that is, log10value.

Zero

Double.NegativeInfinity.

Negative

Double.NaN.

To calculate the natural logarithm of a BigInteger value, call the BigInteger.Log(BigInteger) method. To calculate the logarithm of a number in another base, call the BigInteger.Log(BigInteger, Double) method.

This method corresponds to the Math.Log10 method for the primitive numeric types.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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