math.js

A simple math library written in Javascript

Install

Use

```javascript // load the module var math = require('math.js'); // ask for a number's ceil math.ceil(13); ```

Arithmetic functions

```javascript // Get a number's ceil math.ceil(13); // returns 13 math.ceil(13.4); // returns 14 // Get a number's ceil on the 2nd decimal digit math.dCeil(14.14, 2); // returns 14.14 math.dCeil(14.143, 2); // returns 14.15 // Get a number's round on the 2nd decimal digit math.dRound(14.14, 2); // returns 14.14 math.dRound(14.143, 2); // returns 14.14 // Get a number's floor on the 2nd decimal digit math.dFloor(14.14, 2); // returns 14.14 math.dFloor(14.143, 2); // returns 14.14 // Get a number's trunc on the 2nd decimal digit math.dTrunc(14.14, 2); // returns 14.14 math.dTrunc(14.143, 2); // returns 14.14 ```

Test

To execute the library's tests, first install the project dependencies: ``` $ npm install ``` Then, run the tests ``` $ npm test ```