Expressed mathematically x is the logarithm of n to the base b if b x n in which case one writes x log b n. Math formulas for. Logarithm the exponent or power to which a base must be raised to yield a given number.
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You then take the natural logarithm of V f divided by V i and divide the result by t. Product quotient power and root. 1 l o g x a. The natural logarithm of a number is its logarithm to the base of the mathematical constant e where e is an irrational and transcendental number approximately equal to 2718 281 828 459The natural logarithm of x is generally written as ln x log e x or sometimes if the base e is implicit simply log x.