| (1) [ Algorithm ] button | Opens [ Algorithm  
      ] dialog box. | 
  
    | (2) [ Previous   
      Item ] button | Allows  
      you to select the previous option of the algorithm. | 
  
    | (3) [ Algorithm] window | The selected algorithm will be displayed. 
     | 
  
    | (4) [ Next   
      Item ] button | Allows  
    you to select the next option of the algorithm. 
     |