eek... maths!!!

[markcq]

hey,

any maths boffins around?

any of you guys know how to make things like on these two pages:

http://www.phong.com/astro/sun/index.php
http://www.phong.com/astro/4qs/4qs.php

Any help or bright ideas welcome :sigh:

[mlk]

nope, but'its beautiful :beam: