After a day filled with lame April Fool's jokes created by #brands, it's nice to see a genuinely amusing stunt.Matthew Weathers, a math professor at Biola University located near Long Beach, California pranked his class with this carefully edited video. If they need "homework help," he suggests to follow his lead and play one of his instructional videos.But—twist!—this video is more than that. What transpires is some skilled acting that requires Weathers to argue with himself and some snazzy sound effects. It's adorable how nerdy it is.It's not surprising that Weathers racks up an almost most perfect score on Rate My Professors since he makes trigonometry at least a little fun.