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<deg2radexpm1>
Last updated: Mon, 16 Jul 2012

exp

(PHP 3, PHP 4, PHP 5)

exp -- 计算 e（自然对数的底）的指数

说明

float exp ( float arg )

返回 e 的 arg 次方值。

参见 log() 和 pow()。




<deg2radexpm1>
 Last updated: Mon, 16 Jul 2012
 
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