The package provides the means to use PDF drawing primitives to
produce high quality, colored graphics. It uses Bezier curves
(integral and rational) from degree one to seven, allows TeX
typesetting in the graphic, offers most of the standard math
functions, allows plotting normal, parametric and polar
functions. The package has linear, logx, logy, logxy and polar
grids with many specs; it can rotate, clip and do many nice
things easily it has two looping commands for programming and
many instructive example files. The package requires pdfTeX but
otherwise only depends on the calc package.