We’re all mad here. Or at least, mad for math. In fact, let’s all sing a cheer “Ready? Ok! Sine, Cosine, Cosine, Sine! 3 Point 14159!” I am so pumped right now!
Inspired by "Mathematical puns are the first sine of madness," a quote oft attributed to Johann Von Haupkopf.
Get updates on sales and subscriber-only prizes