That's bad.
Y'all is darn tootin right, and I ain't just whistlin Dixie.
]]>Hi!! Why use semicolon!!???
Because I never paid any attention to English grammar classes. Oh, those nuns and professors tried to teach me to communicate well, I could not be bothered.
]]>That is very good.
]]>Did you try it? Are you convinced there is no negative distances in the xy plane?
]]>You get 4 as the distance. You never get a negative no matter where the points are.
]]>