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Logarithms

The Common Logarithm

Traditionally, log₁₀ is abbreviated to log.

For example,

10³ = 1000 ⇒ log 1000 = 3

0.01 = 10^-2 ⇒ log 0.01 = -2      

However, some computer software, such as Matlab, use log to denote the natural logarithm. Both Matlab and Excel use log10(x) to denote log₁₀.

<< Rules | Logarithms Index | The Natural Logarithm >>