A logarithm answers the question of how many times you must multiply a number by itself to get another number. For example, 3x3x3 is 9, so to get 9, the logarithm is 3.
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Many things in nature tend to grow in an exponential fashion, meaning their growth is relative to their size at the moment. Bank investments, bacterial colonies, and numerous examples in physics follow such models. In order to remove the exponents and get linear equations which are far more manageable, logarithms can be used.
It is a functional relationship which has an input and an output. Addition, subtraction, multiplication, division, reciprocals, exponentials, logarithms are all examples.
The main misconception is that logarithms are hard to understand.The main misconception is that logarithms are hard to understand.The main misconception is that logarithms are hard to understand.The main misconception is that logarithms are hard to understand.
No, they are opposites, just like multiplication and division are opposites.
Michael Stifel published his discovery of logarithms in 1544. John Napier publicly propounded the method of logarithms in 1614. For more details see related link.