CCL: free software for curve fitting and mathematic manipulation of curves

[Jason Gans <jgans(-)lanl.gov>]

 Sent to CCL by: Jason Gans [jgans .. lanl.gov]
In addition to the excellent Grace program for *nix, there is
 PrestoPlot (windows only).
 http://www.mbg.cornell.edu/Shalloway_Lab_Presto.cfm
 Regards,
 Jason
 On Jan 18, 2006, at 1:54 AM, skpang!A!ctimail.com wrote:
>  Sent to CCL by: skpang],[ctimail.com
>  Dear all,
>  Are there any free software like Origin for the curve-equation
>  fitting? Also, which free software can carry out the mathematic
>  manipulation of curves or plots (data points), such as intergrating and
>  differentiatng of the curve/plot will give its
>  integrated/differentiated shape?
>  Regards,
>  Patrick
> My e-mail address is: skpang++ctimail.com> To recover the email
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