log10

(PHP 4, PHP 5, PHP 7)

log10Base-10 logarithm

Descrierea

log10 ( float $num ) : float

Returns the base-10 logarithm of num.

Parametri

num

The argument to process

Valorile întoarse

The base-10 logarithm of num

A se vedea și

  • log() - Natural logarithm

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smalladi at lexgen dot com
19 years ago
Note that log of a negative or undefined number returns -Infinity.
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