Function config #

Set configuration options for math.js, and get current options. Will emit a ‘config’ event, with arguments (curr, prev, changes).

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

Examples #

math.config().number                // outputs 'number'
math.eval('0.4')                    // outputs number 0.4
math.config({number: 'Fraction'})
math.eval('0.4')                    // outputs Fraction 2/5
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