Talk:Vertex

Revision as of 12:08, 19 September 2012 by JBL (talk | contribs) (Reverted edits by Fdsafzvcpl (talk) to last revision by JBL)
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This is a terrible definition of parabola vertex, and we need content for the various other uses. --JBL 12:02, 1 November 2006 (EST)