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math with logarithm. A logarithm is the power to which a number must be raised in order to get some other number see Section 3of this Math Review for more about exponents. The logarithm of a number is the exponent by which another fixed value the base has to be raised to produce that number.
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Exponents and Logarithms are related lets find out how. For example the logarithm definition tells us that to switch log base 9 of 81 equals 2 from logarithmic form to exponential form the base of the logarithm is the base of the power the number on the other side of the equation is the exponent and the number inside the logarithm is the result. Expressed mathematically x is the logarithm of n to the base b if bx n in.
Y logbx y log b.
On a calculator the Common. On a calculator the Common. For example the logarithm of 1000 1000 in base 10 10 is 3 3 because 103 1000. But for reference here is one of the rigorous definitions of a logarithm.
