Old MacGuseman's Crazy Calculus Class

[nmobayed]

hahaha at alan's voice

[potatoluff]

wow i totally thought mendivil was kidding about this.

[FunKADunK]

"low d high minus high d low, square the bottom and away we go!" is far more economical than that.

[knitetrang84]

.....why

[questionchicken]

.....why