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  • Add gnuplot or Grace in your path

    on Unix, Linux, MacOS X

    You have to add the following line to your file ~/.bash_profile, ~/.bash_login, and ~/.profile depending on your shell.
    export PATH=$PATH:/usr/local/gnuplot/
    You may change /usr/local/gnuplot if you install gnuplot in another place.

    on Windows 2000 or later

    You have to add or modify the environnment variable PATH.
    1. Right-click My Computer, and then click Properties.
    2. Click the Advanced tab.
    3. Click Environment variables.
      1. if PATH doesn't exist in the user variable, click New to add the new variable name PATH and value C:\gnuplot\bin.
      2. if PATH exists in the user variable, click the existing variable PATH, click Edit and then add ;C:\gnuplot\bin at the end of its value (; is the separator of the directories).
      You may change C:\gnuplot\bin if you install gnuplot in another place.
    gnuplot path