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I need to be able to figure out the length of any curve with known control points (approximations are fine). And then I need to be able to get the tangent angle at any point on the curve.

I really have no idea how to figure this out, and most of the equations on lots of math websites and in the wikipedia entry have lots of complex equations that are only explained using terms that someone who already knew what they were looking at would understand...

Thanks in advance!

-Zippy Dee

Ted Newman