if not a little too good/complete/organized to be pulled completely out of the back of your mind without at least a quick scan of some kind of reference source.

Belive it or not, all I scanned were some class notes of mine. The actual numbers were what I needed. As Litin said, understanding it is part of of the game, the rest is knowing where to find the information. Nothing above is cut and pasted, it is all mine. As I said, my territory is broad. <img src="/forums/images/graemlins/smile.gif" alt="" />

Michael