On Wed, 28 Feb 2001 20:35:08 EST, Steve Sobol <sjsobol at NorthShoreTechnologies.net> said: > I dunno, "I-450" would fit on a highway sign just fine.... or "Exit 450"... Depends whether it's a dot product or a cross product. Those usually end up involving trigonometry - and you *never* get 'sin(anything)' to fit on a small sign. ;)