I think I knew that rrlev, but you laid it out so precisely that I think I'm smarter having read it. I won't know for sure until after the test.
Seriously, you guys are very good at written explanations; you should team up and do textbooks. Or maybe the more detailed versions of Andrews video blogs.

(Removed the thread hijack.)

Last edited by Cork; 04/25/21 11:40 AM.