Fact [factorial] (oddly left out)
nCr [statistical combinatory possibilities]
nPr [statistical permutatory possibilities]
PLine [algebraic intersection of plane and plane]
PPoint [algenraic intersection of plane and line]
av_comp [arbitrary axis vector component extraction]
VPrint [vector->string]

http://davidf.faricy.net/povre.html#macros

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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