code: function( name ) {
              var args = [this];
  
              arguments.xEach({ start: 1 }, function (item) {
                  args.push(item);
              });
  
              return Math[ name ].apply( Math, args );
          }
docs: @param       {external:String} name name of Math Function
  
  @this        module:BaseJS
  @return      {external:Number}
  
  @memberOf    module:BaseJS
  
  @see external:String#xMath
  
  @tutorial {@link http://opencrisp.wca.at/tutorials/BaseJS_test.html#tomath|use math}
  
  @example
  Crisp.math.call( -1, 'abs'); // 1