code: function (formula, element) {
      var result = null,
          error = null;
  
      try {
  
        parser.setObj(element);
        result = parser.parse(formula);
  
        var id;
  
        if (element instanceof HTMLElement) {
          id = element.getAttribute('id');
        } else if (element && element.id) {
          id = element.id;
        }
  
        var deps = instance.matrix.getDependencies(id);
  
        if (deps.indexOf(id) !== -1) {
          result = null;
  
          deps.forEach(function (id) {
            instance.matrix.updateItem(id, {value: null, error: Exception.get('REF')});
          });
  
          throw Error('REF');
        }
  
      } catch (ex) {
  
        var message = Exception.get(ex.message);
  
        if (message) {
          error = message;
        } else {
          error = Exception.get('ERROR');
        }
  
        //console.debug(ex.prop);
        //debugger;
        //error = ex.message;
        //error = Exception.get('ERROR');
      }
  
      return {
        error: error,
        result: result
      }
    }
docs: parse input string using parser
  @returns {Object} {{error: *, result: *}}
  @param formula
  @param element