Rays_Yard Active member Joined Mar 28, 2008 Messages 2,943 May 28, 2009 #11 and tomorrow we'll be studying they pythagorean theorem.
Art_Weingartner Active member Moderator Joined Jun 4, 2007 Messages 3,692 May 28, 2009 #12 We use litres too, I had to calculate it.
