Section 8:  Character Strings
                 SILVER page 38 and 39
                 SCHAUM sections 7.1-7.3
                 ALR pages 95-110 (read about the DC instruction)

Unit 8.1 -- Concatenate Two Character Strings

Unit 8.2 -- Compare Two Character Strings
            SILVER Section 3.2 specificially
            SCHAUM Section 7.4