Function config #
Set configuration options for math.js, and get current options. Will emit a ‘config’ event, with arguments (curr, prev, changes).
This function is only available on a mathjs instance created using create.
Syntax #
math.config(config: Object): Object
Parameters #
| Parameter | Type | Description |
|---|---|---|
options |
Object | Available options: {number} epsilon Minimum relative difference between two compared values, used by all comparison functions. {string} matrix A string ‘Matrix’ (default) or ‘Array’. {string} number A string ‘number’ (default), ‘BigNumber’, or ‘Fraction’ {number} precision The number of significant digits for BigNumbers. Not applicable for Numbers. {string} parenthesis How to display parentheses in LaTeX and string output. {string} randomSeed Random seed for seeded pseudo random number generator. Set to null to randomly seed. |
Returns #
| Type | Description |
|---|---|
| Object | Returns the current configuration |
Throws #
Type | Description —- | ———–
Examples #
import { create, all } from 'mathjs'
// create a mathjs instance
const math = create(all)
math.config().number // outputs 'number'
math.evaluate('0.4') // outputs number 0.4
math.config({number: 'Fraction'})
math.evaluate('0.4') // outputs Fraction 2/5
