function plotting (was: Re: [NTG-context] Q: about \externalfile from metafun-p.pdf)

On Mon 03.10.2005 19:26, Christopher Creutzig wrote:

MetaPost is not really a function plotter. So, yes, you have to use some sort of loop, although there may be some predefined macros hiding them.

Is there a better way in ConTeXt/tex for this?! Should i use some external Programms for this? al ;-)