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Log Calculator
Logarithm calculations
How It Works
The logarithm, or log, is the inverse of the mathematical operation of exponentiation. The log of a number is the number that a fixed base has to be raised to in order to yield the number.
The logarithm, or log, is the inverse of the mathematical operation of exponentiation. The logarithm of a number is the number that a fixed base has to be raised to in order to yield the number. Conventionally, log implies base 10 is being used, though the base can be anything. When the base is e, ln is usually written rather than log_e. Log base 2 (binary logarithm) is another commonly used base. Base 10 is commonly used in science and engineering, base e in math and physics, and base 2 in computer science.
When the argument of a logarithm is the product of two numbers, the logarithm can be re-written as the addition of the logarithms. When the argument is a fraction, it becomes subtraction. If there is an exponent in the argument, the exponent can be pulled out and multiplied.
Results
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Quick Tips
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