The LOG10 function returns a numeric value that approximates the logarithm to the base 10 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 greater than zero. 
                     	 
                  
  
               
 
               
              
            
            
               Returned Values
 
               	  
                
                  	 
                  - The returned value is the approximation of the logarithm to the base 10 of argument-1. 
                     	 
                  
  
                  	 
                  - Floating-point format is used for numeric non-integer results.