This is a free math calculator, which is able to calculate the logarithm for a number to a base. You can also choose the base.Calculate Logarithmic values for Base e, Base 2, Base 10 and Base n.solving logarithm question and Finding values for Log 1, Log 2 (Log of 2), Log 5, Log 6 was never so easy. Exponential equation calculation is done in the app with ease.Calculations available for various log rules:- Product Rule- Quotient Rule- Log of Power- Log of Root- Change of Base- Log of e- Log of 1- Log of ReciprocalThe best mathematical tool for school and college! If you are a student, it will helps you to learn algebra. Note: The logarithm of a number is the exponent to which another fixed value, the base, must be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3.