His web page includes links to online copies of his lecture notes. Use of an earlier edition probably will inconvenience you greatly, since I will refer frequently to specific pages and specific exercises on those pages. I will assume that you have a copy of the book in your dormitory room, or wherever it is that you do your studying and your homework. Emphasis will be on computational methods, not on proofs. We will cover most of the textbook.
Differential equations is, in some sense, advanced advanced calculus.
You are encouraged to study with your classmates and with anyone else who is willing to help, on the odd-numbered problems , before you actually do your homework. In doing the homework assignment, you may consult books, calculators, and computers, but not other people. Do your work neatly, and circle your final answer. Use blue or black pencil or pen. Do not use red pencil or pen.