Jim Swift: Instructor Information, Spring 2026
MAT 239 (Differential Equations)
No required textbook
MAT 239-003 (2596) TuTh 9:35 - 10:50, in AMB 147
MAT 239-004 (2651) TuTh 12:45 - 2:00, in AMB 148
MAT 665 (Ordinary Differential Equations)
Textbook: Differential Equations and Dynamical Systems, 3rd Edition, by Lawrence Perko
MAT 665-001 (11362) MWF 11:30 - 12:20, in AMB 206
My office phone, 523-6878, goes straight to voice mail.
You can send me e-mail at
Jim.Swift@nau.edu.
Here is my weekly schedule.
Please feel free to contact me any time via e-mail with any
questions about the math, or with any feedback about the class.
My office hours are TBA
Dates to remember: (Spring 2026)
From the
Registrar's Page of Important Dates.
1/12 (Mon): First day of classes
1/19 (Mon): Martin Luther King Jr Day (no classes)
1/22 (Thurs): Last day to Add (without a petition) or Drop/Delete (with nothing on your transcript) classes.
2/23 (Mon) - 3/13 (Fri): Submission of midterm grades
3/09 (Mon) - 3/13 (Fri): Spring Break
5/01 (Fri): Last day of classes, and last day to Withdraw from classes
5/04 (Mon) - 5/07 (Thurs) Final Exams:
final exam schedule.
MAT 239 at 9:35 final exam: Tuesday, May 5, 7:30 to 9:30
MAT 239 at 12:45 final exam: Tuesday, May 5, 12:30 to 2:30
MAT 665 final exam: Wed, May 6, 10:00 to 12:00
All final exams are held in the usual classroom.
Archives of my home pages from previous semesters:
Mat 136 (Calculus I) Fall 2024
Mat 137 (Calculus II) Fall 2023
Mat 201 (Problem Solving) Fall 2011
Mat 216 (Matrix Algebra) Fall 2025
Mat 238 (Calculus III) Fall 2025
Mat 239 (Differential Equations) Spring 2025
Mat 362 (Numerical Analysis) Fall 2019
Mat 461 (Partial Differential Equations) Fall 2019
Mat 661 (Graduate Applied Mathematics) Fall 2020
Mat 665 (Graduate Differential Equations) Fall 2019
Mat 667 (Graduate Dynamical Systems) Spring 2025
Jim Swift's home page
Department of Mathematics
NAU Home Page
e-mail: Jim.Swift@nau.edu