In the last step, put r = hB /2. Then r/2 becomes hB /4. Those are the omitted steps.
There’s no calculus in that calculation.
That is no haiku. Only nine syllables!
She used “vuvuzela” incorrectly.
Stefan, it should be “fewer”, not “less”!
Not actually a haiku—has more than 17 syllables. But very funny nonetheless.
LMGTFY (let me google that for you)
Can somebody please explain today’s strip? It’s over my head.
Where did that second pillow come from in the third frame?