Sebastian Arriola posted a comment on a wiki page

graPHUN The first thing you should do is set the default saving directory. This directory is where you can save graphs and screenshots. To do this, on the Main Menu, click on Settings, then click on Choose Default Saving Directory. Choose the directory where you want to save stuff. Now you are ready to create graphs. Click on New Graph. The user interface is very simple, only 4 buttons. The Screenshot button will take a screenshot and save it to your default saving directory. The Create Vertex button...

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