mathjs/test/utils/latex.test.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.

var assert = require('assert'),
    latex = require('../../lib/utils/latex');

describe('util.latex', function() {
  it('should convert symbols with indices', function () {
    assert.equal(latex.toSymbol('alpha_1'), '\\alpha_{1}');
  });

  it('should convert units', function () {
    assert.equal(latex.toSymbol('deg', true), '^\\circ');
  });
});