What does gnuplot offer?
• Plotting two-dimensional functions and data points in many different styles (points, lines, error bars) • Plotting three-dimensional data points and surfaces in many different styles (contour plot, mesh) • Algebraic computation in integer, float and complex arithmetic • User-defined functions and hot-keys • Support for a large number of operating systems, graphics file formats and output devices • Extensive on-line help • TEX-like text formatting for labels, titles, axes, data points • Interactive command line editing and history (most platforms)