2.4.2-1 a language for scientific graphics programming. It is analogous to latex, and shares the property that extensive power is the reward for tolerating a modest learning curve. Gri output is in industry-standard PostScript, suitable for incorporation in documents prepared by various text processors.
Precise control is extended to all aspects of drawing, including line-widths, colors, and fonts.
Text includes a subset of the tex language, so that it is easy to incorporate Greek letters and mathematical symbols in labels. The following is a terse yet working Gri program. If it is stored in a file called 'example.gri', and executed with the command 'gri example', it will create a postscript file called 'example.ps' with the graph. An interface for scientific data access. Peter S Galbraith is responsible for this Debian package.