[RadioAstronomer]

how much wood would a woodchuck chuck, if a woodchuck could chuck wood?

Hmmmm. Need my slide rule for this one. :)

[Aracelis]

Need my slide rule for this one. :)

Your dating yourself. (even better than C-14)

[general_re]

Need my slide rule for this one.

You can borrow mine. Well, it's not mine, but somewhere around here - he said, lining up to rub a little salt in ;) - I have my (ahem) father's slide rule. And he had one of the deluxe circular jobs, too. Bet you're jealous now, eh?