gaspersic/freeCodeCamp
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix(guide): simplify directory structure

Browse Source
This commit is contained in:
Mrugesh Mohapatra
2018-10-16 21:26:13 +05:30
parent f989c28c52
commit da0df12ab7
35752 changed files with 0 additions and 317652 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
guide/chinese/javascript/standard-objects/math/math-pi/index.md Normal file
View File

@@ -0,0 +1,19 @@
---
title: Math PI
localeTitle: 数学PI
---
## 数学PI
`Math.PI`是Math对象的静态属性。它表示数学常数，定义为圆周长与直径的比值。它大约是3.14149，通常用希腊字母π表示。
![pi由pi制成](https://c1.staticflickr.com/2/1207/3352784321_0d648bec78.jpg)
## 例子
```js
Math.PI \\ 3.141592653589793
```
#### 更多信息：
[MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/PI)