Gnuplot is distributed with a large set of scripts that demonstrate various features. Collected below are the results of running most of these scripts through version 4.6 of gnuplot using the png terminal. There is another set of pages generated using the svg terminal.
Basic 2D plot styles
Math functions and

3D plots and surfaces
Coordinate and

Sample Applications
Text optionsPage LayoutStyles 
more 

This page generated February 2012 

