mathjs/lib/index.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser and offers an integrated solution to work with numbers, big numbers, complex numbers, units, and matrices.

module.exports = [
  require('./type'),        // data types (Matrix, Complex, Unit, ...)
  require('./constants'),   // constants
  require('./expression'),  // expression parsing
  require('./function'),    // functions
  require('./json'),        // serialization utility (math.json.reviver)
  require('./error')        // errors
];