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I've used mlgrace in the past:

  http://www.eecs.umich.edu/~pelzlpj/mlgrace/

Although I've never tried labelled points before...  I also have a convenience 
interface to it that I've written so I can do stuff like:

  Plot.plotfun (( ** )2.) 0. 10. 0.1 "ro-";;

and have it plot x^2 from 0 to 10 in 0.1 steps with a red line and dotted data 
points.  It's not packaged up nice at all, but I'm happy to share it if 
you're interested.

Peng

On Wednesday 07 November 2007 10:53:37 pm Jon Harrop wrote:
> I've been using Mathematica to render the graphs on our site, like the ray
> tracer language comparison:
>
>   http://www.ffconsultancy.com/languages/ray_tracer/results.html
>
> What free OCaml software might I use to do the same thing?


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