sqrt(x)

Posted by On 11 / 08 / 2013 1 Comment

描述

计算一个数字的平方根。

参数

x: double 型别的数字。

回传

数字的平方根，型别是 double。

See also

－ pow()

语法参考主页面

本页由热血青年 LBU 译自英文版。

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