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PHP: log10 - Manual
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log1p" width="11" height="7"/> <lcg_value
Last updated: Sun, 25 Nov 2007

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log10

(PHP 4, PHP 5)

log10 — 底が 10 の対数

説明

float log10 ( float $arg )

底を 10 とする arg の対数を返します。

パラメータ

arg

処理する引数。

返り値

底を 10 とする arg の対数を返します。

参考



add a note add a note User Contributed Notes
log10
smalladi at lexgen dot com
21-Nov-2001 08:47
Note that log of a negative or undefined number returns -Infinity.
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log1p" width="11" height="7"/> <lcg_value
Last updated: Sun, 25 Nov 2007
 
 
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