Professor Leonard is back [video]

And when I say "back" I mean, really, truly back, and uploading fresh new content. This isn't just another false-start, "Hey I'm back" announcement. No, this is the next video in his ongoing Differential Equations course. So folks who love Leonard's approach to lecturing and teaching, and who like math, these are exciting times. He's said he's going to finish DE and then start a Linear Algebra series. So yeah... fun times.