course materials
no longer available
The link you followed pointed at a worksheet, homework assignment, or practice exam that is no longer posted.
Problem sets get reused, so I have taken the worksheets, homework assignments, and practice exams off this site. Syllabi, course texts, and the writing guides are still here.
If you need one of the removed files — you took the course, you are teaching something similar, or you are just curious — write to me at kyle@e-infinity.space and I will send it along.