LaTeX is a document markup language and document preparation system for the TeX typesetting program. Within the typesetting system, its name is styled as . The term LaTeX refers only to the language in which documents are written, not to the editor used to write those documents. In order to...
, since both provide extensive power as a reward for tolerating a learning curve.
Gri can make x-y graphs, contour graphs, and image graphs, outputting the results in PostScript
PostScript
PostScript is a dynamically typed concatenative programming language created by John Warnock and Charles Geschke in 1982. It is best known for its use as a page description language in the electronic and desktop publishing areas. Adobe PostScript 3 is also the worldwide printing and imaging...
format. Control is provided over all aspects of drawing, e.g. line widths, colors, and fonts. A limited TeX
TeX
TeX is a typesetting system designed and mostly written by Donald Knuth and released in 1978. Within the typesetting system, its name is formatted as ....
-like syntax provides common mathematical symbols.
An example Gri program: open file.dat
read columns x y
draw curve
