Revision as of 14:23, 4 January 2008 by Temperal (talk | contribs) (leave message)
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The diagram for 3-dimensional coordinate system is bad: the grey gridlines make it look like a 2-D coordinate system with the line $y = x$ drawn in. If those lines were erased, the diagram would be much clearer. --JBL 10:09, 4 January 2008 (EST)

Better? Temperalxy 13:23, 4 January 2008 (EST)
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