Do you know any TeX package(maybe a pstricks package) that can plot implict 3d functions? For instance, can you plot z+x+y=1 and x^2+2y^2=1 in 3d? -- به نام خداوند جان و خرد کزین برتر اندیشه برنگذرد -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://tug.org/pipermail/texhax/attachments/20100927/2b4eab97/attachment.html>