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Math 335: Ordinary Differential Equations; Sp. 2013.

Time and Location: MWF 11:00-11:50 Leigh 312.

Instructor: Dr. Stefan Forcey
  • Office: CAS 275
  • Office Phone: 330 972 6779
  • Email is
    (...this is the best way to get a hold of me)
  • Office hours:
    • MWF: 3:00 -4:00pm.
  • If you can't make my office hours, let me know and we can try to set up a time to meet. Here is my schedule for the spring semester.
Textbook: Required: "A First Course in Differential Equations," 10th edition, by D. Zill.

Course Syllabus.
The syllabus will include information about grading policies, exam schedules and policies, etc. You should definitely read it.
Here's an approximate schedule of what we'll be doing this semester. Emphasis on the "approximate".

There will be homework assigned weekly, and the assignments will be posted here.
They will not be collected, but the quizzes will be based on them.
(tentative schedule)

  • Tuesday 2-4 pm, Bierce library math lab (lower floor, look for chalkboards!)
  • Thursday 2-4 pm, Bierce library math lab
  • Many more hours available: tutoring in the math lab(s).

  • For integration, you can't beat wolfram alpha , which now offers great step-by-step solutions to ODE's!
    (with free account sign-up.) There is a lot of information with each solution,
    including graphs of the entire family of specific solutions.

    Here is a function whose power series has coefficients the triangular numbers, n choose 2.

  • Philosophy of Math: Plato vs Aristotle
    Wigner on the unreasonable effectiveness of math.
    Hamming on the same.
    More of the story.
    Even more--Tegmark's response.
    A book about Aristotle's view.

    A bit of teaching philosophy:
    Lockhart's lament.

    A bit of history:
    pure math by Archimedes.

    The text of this page was adapted, with permission, from an original course site by J.P. Cossey.