Mathwords: Logarithm

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Logarithm

The logarithm base b of a number x is the power to which b must be raised in order to equal x. This is written log_b x. For example, log₂8 equals 3 since 2³ = 8.

See also

Logarithm rules, common logarithm, natural logarithm, change of base formula

this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
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