1) Exercises 3.18, 3.20-3.24 extended due date: 2/25.
2) 4.1-4.2, 4.4-4.7, 4.9, 4.12-4.18, 4.20-4.23, 4.26, 4.28-4.29 due 2/27.
        4.24 may be done for extra credit, but it is not assigned.
3) Continue reading the LPL Software Manual.
4) Finish reading Chapter 4 and read Chapter 5.