¿    Constants
•   Real Constants
   
       Numbers that have  decimal points
         Examples:       2.3       3.7       2.5       1.78        - 4.3       3.
  •   Logical Constants
                       Two values
                       
                       .TRUE.
                  
                       .FALSE.
•   Character Constants
         One character or string of characters between two single
                  Quotes
 
                       ‘THIS IS CHAPTER TWO’
                  ‘ISN’’T IT?’