Comment statements insert comments or information into the Quantum program. They do not affect the way a program works because they are ignored when the program is run to produce tables.

Comments are identified either by a capital C in column 1 or by /* (slash and asterisk) in columns 1 and 2. If a comment needs more than one line, each line must start with the appropriate notation otherwise it is assumed to require some sort of action.

It is a good idea to put comment statements in your program in case someone else has to take over your job or to remind yourself what you are doing and why. For example: