https://github.com/acejs/js-math
A lightweight math calculation library for JavaScript and Node.js
https://github.com/acejs/js-math
calc javascript-library math utils
Last synced: 11 months ago
JSON representation
A lightweight math calculation library for JavaScript and Node.js
- Host: GitHub
- URL: https://github.com/acejs/js-math
- Owner: acejs
- Created: 2020-01-04T03:31:57.000Z (over 6 years ago)
- Default Branch: master
- Last Pushed: 2022-12-11T19:15:39.000Z (over 3 years ago)
- Last Synced: 2025-08-28T08:48:08.518Z (11 months ago)
- Topics: calc, javascript-library, math, utils
- Language: JavaScript
- Homepage:
- Size: 2.66 MB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 18
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
## js-math
**A lightweight Javascript math library.**
### Installing
```bash
npm install @cdjs/js-math
// or
yarn add @cdjs/js-math
```
### Usage
```javascript
// es6 module
import jsMath, { multiply, add, subtract, devide, round } from '@cdjs/js-math'
// commonjs
const { multiply, add, subtract, devide, round, default: jsMath } = require('@cdjs/js-math')
```
### Documentation
| Method | Desc | Args |
| ------------ | -------------------------------------------------------- | ------------------------------------------------------ |
| multiply | 乘 | ...Array |
| add | 加 | ...Array |
| subtract | 减 | ...Array |
| devide | 除 | ...Array |
| round | 四舍五入 | ratio: Number 精度
number?: Number 需要处理的数字 |
| value | 获取最终值 | / |
| setPrecision | 设置浮点数最大保留精度，默认 12 位 | number: Number |
| enableCheck | 是否开启对运算结果是否超出 js 安全数值的提醒，默认 false | check: Boolean |
### How to use
#####Simple use
```javascript
// 乘
multiply(3, 2) // 6
add(0,1, 0.2) // 0.3
// 四舍五入
round(0.345, 2) // 0.35
```
#####Chained use
```javascript
jsMath
.multiply(0.2, 10, 100)
.add(1, 2, 3, 5, 10, 1000)
.subtract(0.1, 0.3, 0.4)
.devide(2, 5, 5, 20)
.round(2)
.value() // 1.22
```