log2

public static double log2(double x)

The base 2 logarithm of the specified value. If the specified value is negative, NaN is returned. If the specified value is zero, negative infinity is returned.

Parameters

x

A positive number or zero to evaluate with.

Returns the base 2 logarithm for the specified value.

Mathematically, this would be represented as log₂(x).

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import System;   Console.log(Math.log10(5));