The ABS function returns the absolute value of the argument. 
                  
 
            
             
               	 
               The type of this function is according to the argument type as follows: 
                  	 
               
 
               	 
                
                  	 
                  
                      
                        		   
                        		   
                        		  
                         
                           			 
                            
                              				
                              | Argument Type | Function Type | 
 
                           		  
                         
                        		  
                         
                           			 
                            
                              				
                              | Integer | Integer | 
 
                           			 
                            
                              				
                              | Numeric | Numeric | 
 
                           		  
                         
                        		
                     
                    
                  	 
                 
               
              
            
            
               General Format
 
               	  
               	  
 
               
              
            
            
               Arguments
 
               	  
                
                  	 
                  - Argument-1 must be class numeric. 
                     	 
                  
  
            
            
               Returned Values
 
               	  
                
                  	 
                  - The returned value is as follows: 
                     		
                      
                        		  
                        - When the value of argument-1 is zero or positive, (argument-1) 
                           		  
                        
- When the value of argument-1 is negative, (-argument-1)