Math wizardry

[James Steiner]

P.S. A my personal guide to all things math-related I use eric
weinstein's MathWorld:

http://mathworld.wolfram.com/

See also, world of science, world of physics, etc.

On Wed, 2 Mar 2005 10:41:27 -0500, Richard Miller <wow at together.net> wrote:
> I've got two line graphics drawn on the screen. I need to find out if
> they intersect and, if so, what the angle is that is formed by their
> intersection. Any simple way to do this?