Gnuplot is a major mode for Emacs flavours with the following features: - Functions for plotting lines, regions, entire scripts, or entire files - Graphical interface to setting command arguments - Syntax colorization - Completion of common words in Gnuplot - Code indentation - On-line help using Info for Gnuplot functions and features - Interaction with Gnuplot using comint - Pull-down menus plus a toolbar - Distributed with a quick reference sheet in postscript.