Oct 19, 2007 #1 L laserknight New Member I am probably missing the obvious, but what is meaning of the envelopes in the left column-I cant see a consistent pattern?
I am probably missing the obvious, but what is meaning of the envelopes in the left column-I cant see a consistent pattern?
Oct 19, 2007 #2 49208 Tentmaker It's explained at the bottom of each forum, scroll down, you'll see it