Another name for the logarithm with base 10.

So it answers the question "How many

Example: The common logarithm of 100 is 2

(We need to multiply 2 10s to get 100)

Example: The common logarithm of 1000 is 3

So it answers the question "How many

**10**s do we multiply to get that number?"Example: The common logarithm of 100 is 2

(We need to multiply 2 10s to get 100)

Example: The common logarithm of 1000 is 3

See: Logarithm

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