Softwares útils per fer gràfics

Gnuplot is a powerful plotting program which has many useful features. Both Linux and Windows version are available. This tutorial is aimed at helping students use gnuplot for their projects. This tutorial does not cover all the features of gnuplot, but rather a small selection of features that will hopefully be most useful for physics and computational physics students. It will only describe some options for commands, but if you want to do something more complicated, you can use the help system to learn about all the features of the commands. This tutorial is specifically for gnuplot 4.0, but should be useful for both earlier and later versions.