Alright you guys... since there seems to be such confusion try this, it may be easier for you http://clem.mscd.edu/~christib/wprof/sharedinfo/math/inflight/thumb.htm Vance Atkinson -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.tvbf.org/mailman/private/reflector/attachments/20130814/b7f5c2d1/attachment.html>