# Double Numbering

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```					                          How to Double-Number Courses Using CPL

The mechanics of double numbering are simple once the concept is clear.

Definition:
Double numbering refers to two or more course sections which are taught in the same room at the
same time. In principle the limit to the number of sections is equal to the number of students.
That is, 20 students in a classroom could be enrolled in 20 separate course sections each with an
enrollment of one student. In practice I ve not heard of the technique being applied to more than
four or five simultaneously occurring sections.

Implementation:
Making it happen requires that you,
1. Create the sections;
2. Ensure that they are timetabled at the same room and time; and,
3. Adjust the student places in all the sections so the totals balance.

The technique is that you arbitrarily choose one of your course sections (the leader ) and
create it just as you would create any normal section. You then create your other section(s), flag
them as trailer(s) , and point them at the leader. When you designate one or more sections as
trailers you are instructing the scheduling system to timetable them in the same room and time as
the section you have designated the leader. If you need to force the time, room, etc., force the

The details:
Create the leader. It is a normal section so there is almost nothing else to say about it except to
remind you that if your normal class size is 30 seats and your trailer is going to contribute 10
seats you should reduce the class size of your leader to 20. In other words, the sum of the seats in
the leader and trailer(s) should be equal to your ultimate class size. Doing this ensures that your
seat totals for all your courses will balance and also print correctly in the reports. In addition, the
registration system adds the class sizes to arrive at a maximum (combined) enrollment to enforce
during registration. So if you neglect to adjust the class seats it only means that someone else will
have to do it for you.

1. Create the trailer. To specify that a course section is a trailer you must,
2. Insert the course and section number of the leader in the LINK field (of the trailer).
When you save the section the CPL automatically inserts the pound sign (#) in the Acti-
Passi field to designated the section as a trailer.

Create additional trailers as necessary. All sections you want in the same time and place
should point to the same leader.

The ACTIVE/PASSIVE field is described on page 41 of the manual. The LINK field is described
on page 46.
C:\DOCSTOC\WORKING\PDF\4F036170-16C9-4327-9CE0-47A48EFCEFA4.DOC; 18 April 1999                        1

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