Logarithm

Change of base: log_b(x) = ln(x) / ln(b). x must be positive. The base must be positive and not 1. ln is the natural log. log₁₀ is the common log.

Argument

Base

log base

6.907755

log₁₀

log₁₀(1000) is 3. A base of 1 or a non-positive x is not a real logarithm.

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