The most recent version, Edition 2.1 (effective Fall 2025), is available as a free download from the University of Waterloo Applied Math Faculty .
If you want, I can expand any section into a full PDF-style set of lecture notes with definitions, proofs, and more worked problems — tell me which sections to expand. amath 250 course notes pdf
to help students refresh their Single Variable Calculus knowledge before diving into the core DE material. Problem Sets & Practice The most recent version, Edition 2
Some editions have known errors (e.g., missing Page 84 or specific problem statements); check the Professor's Announcements for corrections. The most recent version