I have already booked a room, C3-107, on Saturday Oct 8 at 1-4 p.m., for practicing more exercises in Chapter 1-3. This is an optional program - you do not have to attend if you are not interested. There will be another time slot, Sunday Oct 9 at 9 a.m.- noon, for students in section 3. But, you are very welcome to join if the Saturday time slot does not work for you.