POV-Ray: Newsgroups: povray.binaries.images: Some shapes I found: Some shapes I found

POV-Ray : Newsgroups : povray.binaries.images : Some shapes I found : Some shapes I found		Server Time 2 May 2024 09:38:32 EDT (-0400)

From: And
Date: 13 Feb 2018 02:25:01
Message: <web.5a8291fc5408c873e96a371c0@news.povray.org>

I have some shapes

#declare f_parabola=function(x,y,a){
                  y-a*x*x
                 }

parabola.
and its modify..