Simplifiying Radicals. (MATH joke)
Allahu Akburrrrrr
H'Isis
A unicornucopia.
Baked Beans.
One is a group made up of radicals with extremist views. And the other group is ISIS.
Simplifying Radicals. Yes, she's a math teacher.
Logic. (If you don't like physics jokes, just keep movin') ...(if you don't like math jokes, trust me, sometimes it makes a difference).
Natural log. Sorry about the math joke.