text: function bcadd (leftOperand, rightOperand, scale) {
    var bc = require('../_helpers/_bc')
    var libbcmath = bc()
    var first, second, result
    if (typeof scale === 'undefined') {
      scale = libbcmath.scale
    }
    scale = ((scale < 0) ? 0 : scale)
    first = libbcmath.bc_init_num()
    second = libbcmath.bc_init_num()
    result = libbcmath.bc_init_num()
    first = libbcmath.php_str2num(leftOperand.toString())
    second = libbcmath.php_str2num(rightOperand.toString())
    result = libbcmath.bc_add(first, second, scale)
    if (result.n_scale > scale) {
      result.n_scale = scale
    }
    return result.toString()
  }
  