| Material | Problems | Solutions |
| Introduction | supplement problems (typos fixed) | partial solutions |
| Chapter 1 | suggested problems | partial solutions |
| Section 2.2 | Haberman text, problems 2.2.2, 2.2.3 | |
| Section 2.3 | suggested problems | partial solutions |
| Section 2.4 | suggested problems | partial solutions |
| Section 2.5 | Haberman text, problems 2.5.1 (a) and (c) | |
| Section 3.2 | Haberman text, problems 3.2.1, 3.2.2 (a,b,c,d,f) | |
| Section 3.3 | Haberman text, problems 3.3.2 (a,c,d), 3.3.5 (a,c), 3.3.7, 3.3.8, 3.3.10 | |
| Section 3.4 | Haberman text, problems 3.4.9, 3.4.12 ( hints ) | |
| Section 4.4 | Haberman text, problems 4.4.2 (c), 4.4.3, 4.4.4 | |
| Section 5.3 | Haberman text, problems 5.3.1, 5.3.3, 5.3.5 | solutions |
| Section 5.4 | Haberman text, problems 5.4.1, 5.4.2, 5.4.5 | solutions |
| Section 5.5 | Haberman text, problems 5.5.1 | |
| Section 5.6 | Haberman text, problems 5.6.1 (use quadratic trial functions), 5.6.2 | solutions |
| Section 9.2 | suggested problems (updated with more hints) | solutions |
| Section 9.3 | Haberman text, problems 9.3.1, 9.3.5, 9.3.6, 9.3.11 | solutions |
| Section 9.4 | Haberman text, problems 9.4.3, 9.4.5 | solutions |