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Logarithm Calculator

Enter a base of a number and use this Logarithm Calculator.


How log works?

Logarithm calculator is one of the most important calculations in the maths. It works on the following formula:

Assume you need to solve this mathemetical equation:

a b = c

This calculation can be simplified by the base b logarithm of a number x:

loga c = b

Base of a log play the biggest role in the logarithm calculation. You can take any number as a base. By default it is a base e and it's value is equal to 2.718281828459045.