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LOG10 Function

Returns the base-10 logarithm of a number.

LOG10(<number>)

Term

Definition

number

A positive number for which you want the base-10 logarithm.

A decimal number.

The LOG function lets you change the base of the logarithm, instead of using the base 10.

The following formulas return the same result, 2:

=LOG(100,10)
=LOG(100)
=LOG10(100)
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