圆周率公式-天气预报

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圆周率公式

更新时间： 2021-01-13 22:55:46

1、圆周率计算公式如下：

π=4∑(k=0,..∞)(-1)^k/(2k+1)=3.14159265358979323846264338327950488……

2、简介如下：

圆周率是表示圆的周长与直径比值的数学常数，用希腊字母π表示。

π也等于圆形之面积与半径平方之比，近似值约等于3.14159265359，是精确计算圆周长、圆面积、球体积等几何形状的关键值，在分析学里，π可以严格地定义为满足sinx=0的最小正实数x。

关键词：圆周率公式

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