...and a good thing, too, or I would have had to point out that pi r squared is not valid, since everybody knows pie are round...
(dammit, what I wouldn't give to have scientific notation capability right now)

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Plug me into somethin'

If the theory does not conform to the facts, then the facts must be discarded.

No good deed ever goes unpunished

Never argue with an idiot. He'll drag you down to his level, & beat you with experience.