Math 220: Introduction to Differential Equations (Summer 2025, Four Week)

Course Information

Title: Introduction to Differential Equations (3 hours)
Lecture Time: Monday/Tuesday/Thursday 9:00am - noon
Lecture Location: Online in Zoom
Discussion Time: Friday 9:00am - noon
Discussion Location: Online in Zoom

Personal Information

Office: 1219 Science and Engineering Offices (SEO)
E-mail: davidn ((at)) uic ((dot)) edu

Office Hours

Time: Wednesdays, 9:00am - 10am, or by appointment.
Location: Online in Zoom

Textbook

Nagle, Saff, and Snider, Fundamentals of Differential Equations (Ninth Edition).

Other References

Boyce and DiPrima, Elementary Differential Equations and Boundary Value Problems, (Ninth Edition).
Edwards and Penney, Differential Equations and Boundary Value Problems, Fourth Edition.

Grading

Homeworks: 20%
Quizzes: 10%
Exam 1: 20%
Exam 2: 20%
Final: 30%

Homeworks

Homework 1 due Friday, May 23 by 2pm.
Homework 2 due Friday, May 30 by 2pm.
Homework 3 due Friday, June 6 by 2pm.
Homework 4 due Friday, June 13 by 2pm.

Quizzes

Quizzes will take place in the eight lectures:
May 20, May 22, May 29, Jun 2, Jun 5, Jun 9, Jun 10, Jun 12.
(No quizzes on first or midterm lectures. )

Exams

Midterm 1: Tuesday, May 27 (11am-noon).
Midterm 2: Tuesday, June 3 (11am-noon).
Final Exam: Friday, June 13 (10am-noon).

Tentative Schedule and Homework Problems

Week	Date	Sections/Topics	Homework Problems
1	Mon, May 19	1.1., 1.2, 1.3, 1.4	[HW 1]: 1.1: 2, 8, 14; 1.2: 2, 6, 12; 1.3: 4, 6, 12; 1.4: 2, 8.
	Tue, May 20	2.1, 2.2, 2.3, 2.4	[HW 1]: 2.2: 4, 12, 18; 2.3: 2, 10, 18; 2.4: 4, 12, 24.
	Thu, May 22	3.2, 3.5, 3.6, 3.7, 4.1	[HW 1]: 3.2: 2, 4, 8; 3.5: 2, 4; 3.6: 2; 3.7: 2; 4.1: 2, 6.
2	Mon, May 26	Memorial Day
	Tue, May 27	4.2, Review, MIDTERM 1	[HW 2]: 4.2: 4, 14, 18.
	Thu, May 29	4.3, 4.4, 4.5, 4.6	[HW 2]: 4.3: 6, 14, 22; 4.4: 4, 12, 28; 4.5: 4, 20, 26; 4.6: 4, 10, 16.
3	Mon, Jun 2	4.7, 4.9, 4.10, 7.2	[HW 3]: 4.7: 10, 16, 20; 4.9: 2, 4, 8; 4.10: 4, 6; 7.2: 4, 10, 14.
	Tue, Jun 3	7.3, Review, MIDTERM 2	[HW 3]: 7.3: 2, 8, 16.
	Thu, Jun 5	7.4, 7.5, 7.6, 7.9	[HW 3]: 7.4: 4, 14, 22; 7.5: 2, 8, 18; 7.6: 6, 14, 26; 7.9: 4, 14, 24.
4	Mon, Jun 9	5.2, 5.4, 10.1, 10.2	[HW 4]: 5.2: 4, 10, 20; 5.4: 6, 20, 28; 10.2: 4, 10, 16.
	Tue, Jun 10	10.3, 10.4, 10.5	[HW 4]: 10.3: 2, 10, 18; 10.4: 4, 8, 12.
	Thu, Jun 12	10.5, 10.6, Review	[HW 4]: 10.5: 2, 4.
	Fri, Jun 13	FINAL EXAM