To perform hexadecimal and decimal additions
         
         
         
            	 
             
               		
               - From the Assembler debug window, press 
                  		  H (Hex/add). 
                  		
               
- In the calculator window: 
                  		  
                   
                     			 
                     -  Press 
                        				Enter to cycle around the three lines in which you can enter the numbers to be added and the menu line.
                        			 
                     
-  Enter 
                        				H or 
                        				D to switch between working in hexadecimal and working in decimal.
                        			 
                     
-  Enter 
                        				C to clear the current addition.
                        			 
                     
-  Enter 
                        				K to keep the current addition and return to the main debug window.
                        			 
                     
 
- Press 
                  		  Esc to close the calculator window.