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gnuplot is a portable command-line driven interactive datafile (text or binary) and function plotting utility for UNIX, IBM OS/2, MS Windows, DOS, Apple Mac, VMS, Atari and many other platforms. The software is copyrighted but freely distributed (i.e., you don't have to pay for it). It was originally intended as graphical program which would allow scientists and students to visualize mathematical functions and data. It does this job pretty well, and in addition it serves as non-interactive plotting engine for miscellaneous portable third-party applications, like Octave. Gnuplot is developed and supported since 1986, and


What's New

Version 5.0.3:
  • Open-ended iteration over data: plot for [i=1:*] datafile index i
  • New plot styles "with parallelaxes" and labeled contours.
  • New coordinate system (Degrees, Minutes, Seconds) "set xdata geographic".
  • The "fit" command can now handle functions with up to 12 variables, and can take into account errors on x as well as errors on dependent variables.



  • OS X 10.4 or later

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Current Version (5.x)


Downloads 65,037
Version Downloads 1,459
License Free
Date 23 Apr 2016
Platform OS X / PPC 32 / Intel 32
Price Free
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