calc.js - evaluate expressions for Math

Flexible expression parser and offers an integrated solution to work with numbers, big numbers, complex numbers, units, and matrices. Powerful and easy to use.

[![](https://1.bp.blogspot.com/-vmFjdMDVRok/Vvek0fYiwmI/AAAAAAAASas/iUUHSjQAWYUcWK6F5tx8qq3nfP_sVozOg/s1600/calc.png)](https://github.com/duyet/calc.js)

## Install

```
npm install calc.js
```

## Usage

```js
var calc = require('calc.js')

calc('12 / (2.3 + 0.7)') // 4
calc('5.08 cm to inch') // 2 inch
calc('sin(45 deg) ^ 2') // 0.5
calc('9 / 3 + 2i') // 3 + 2i
calc('det([-1, 2; 3, 1])') // -7
```

## Credit

Thanks to [mathjs](https://github.com/josdejong/mathjs) eval.

## Source

- [calc.js](https://github.com/duyet/calc.js) | Github
- [calc.js](https://www.npmjs.com/package/calc.js) | NPM