function format (value) {
  const { math } = getMath()

  return math.format(value, {
    fn: function (value) {
      if (typeof value === 'number') {
        // round numbers
        return math.format(value, PRECISION)
      } else {
        return math.format(value)
      }
    }
  })
}
Helper function to format a value. Regular numbers will be rounded
to 14 digits to prevent round-off errors from showing up.
@param {*} value