        .-.  ( 2).

               
      .
               :

----------------------------------------
| ..........                 |
| ...........                 |
| ........(,,)...                 |
| .(,,).                 |
|........(,,)...                 |
| ..(,,)...                 |
| ..(,,*).                 |
|/ (+/-)..                 |
| .......                 |
| ..(,,)....                 |
| .(,,).                 |
----------------------------------------


F1  F2/+   F3  F4  F10 .


             
.     ,   
,       ,  
   .
	      . 
     ""   ,  
  .       .
	 (,,)     , 
     
     .     
"-",   ,      
    .  
   ""  "-,10,23",   , 
       10  23 .
               ,  
        F3.
         
   .     
   Enter,       
    .      
      .
                 
"Insert"    ,     
" "   "*"  ,   
      .
               
           
  .      
  ,      
    F4    .
              F2  "+".
     
         
.        
       .
