It's off-topic but I had to share 'equation limericks' which I just discovered! Following meter seems difficult for some, but these all scan perfectly and are also mathematically correct. A tough win-win!
A dozen, a gross, plus a score
Plus three times the square root of four
Divided by seven
Plus five times eleven
Is nine squared (and not a bit more).
The integral tee squared dee tee
From one to the cube root of three
Times the cosine
Of three pi over nine
Is the log of the cube root of e.
The log of e to the four
Times the square root of ten twenty-four
Adding six dozen please
Minus eight twenty-three's
Is sixteen, case is closed, shut the door.
https://math.stackexchange.com/question ... by%20seven