Definition talk:Derivative

I also sometimes see $\frac{dy}{dx} = \lim_{x \to w}\frac{f(w)-f(x)}{w-x}$. Should we put this on the page too? --Cynic 17:48, 28 November 2008 (UTC)

Ooh, that's neat. Haven't seen that before. I consider myself educated. Yep, let's have this up as well. --Matt Westwood 18:10, 28 November 2008 (UTC)

I'm not happy with the way this page is structured - I may well give it a rethink to see how best to arrange the headings and content. --Matt Westwood 07:47, 27 January 2009 (UTC)