Like the old country song says, "If you're gonna play in Texas, you gotta have a parallelogram!"

THE MITOCHONDRIA-

Honestly, i've had the need to use half of these things in my work. Of course, if you have a bs job, you dont require to know anything.

When I was an intern, I had a boss that made me calculate the volume of a large, round, but oddly shaped tank with calculus. Insisted I used calculus for some reason.