Sorry,
2 2
a x n
L = ___________________
________________
*(8a+11w)(9a+10h)
was supposed to have a square root in the denominator. The font I was
using
didn't translate, besides it's probably a poor approximation anyway. I'm
still trying to find the actual equation. It seems to me that somebody
has it
posted on thier web site.
Bryan Kaufman