Plotting data

How do I select a color for every point in Gnuplot data file?

gnuplot : plotting data from multiple input files in a single graph

How do I use gnuplot to plot a simple 2d vector arrow?

Making C code plot a graph automatically

Examples using GNUPLOT_I for Interactive GNUPLOT Graphics

https://stackoverflow.com/questions/8016619/opengl-array-of-points-animation

http://slabode.exofire.net/circle_draw.shtml