The reason I have made so many screencasts today is because I am leaving tomorrow afternoon for the annual NAIS (Nat’l Assoc. of Independent Schools) convention in MD. I’ll be away from my classes Thursday and Friday.
In years past, those days would be lost teaching time. But now, with the aid of technology, I can leave for a couple of days, and all of my classes will stay right on track.
Here’s my screencast about parametric equations: