mathjs/lib/expression/docs/function/arithmetic/unaryPlus.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 = {
  'name': 'unaryPlus',
  'category': 'Operators',
  'syntax': [
    '+x',
    'unaryPlus(x)'
  ],
  'description':
      'Converts booleans and strings to numbers.',
  'examples': [
    '+true',
    '+"2"'
  ],
  'seealso': [
    'add', 'subtract', 'unaryMinus'
  ]
};