PHP  
downloads | documentation | faq | getting help | mailing lists | reporting bugs | php.net sites | links | my php.net 
search for in the  
<lcg_valuelog1p>
Last updated: Mon, 16 Jul 2012

log10

(PHP 3, PHP 4, PHP 5)

log10 -- 以 10 为底的对数

说明

float log10 ( float arg )

返回参数 arg 以 10 为底的对数。

参见 log()




<lcg_valuelog1p>
 Last updated: Mon, 16 Jul 2012
 
Copyright © 2001-2005 The PHP Group
All rights reserved.
This unofficial mirror is operated at: http://manual.phpv.net/
Last updated: Thu Jul 7 19:13:47 2005 CST