The SQRT function returns a numeric value that approximates the square root of argument-1. The type of this function is numeric.
                  
                  
 
            
            
               General Format
 
               	  
               	 
 
               
              
            
            
               Arguments
 
               	  
                
                  	 
                  - Argument-1 must be class numeric. 
                     	 
                  
  
                  	 
                  - The value of argument-1 must be zero or positive. 
                     	 
                  
  
               
 
               
              
            
            
               Returned Values
 
               	  
                
                  	 
                  - The returned value is the absolute value of the approximation of the square root of argument-1. 
                     	 
                  
  
                  	 
                  - Floating-point format is used for numeric non-integer results.