The draws curves in the standard LaTeX picture environment using parabolas between data points with continuous slope at joins; for circles and arcs, it uses up to 16 parabolas. The package also draws symbols or dash patterns along curves.

The package provides facilities equivalent to technical pens with compasses and French curves. Curves consist of short secants drawn by overlapping disks or line-drawing \special commands selected by package options.

The author is Ian Maclaine-Cross. The package is Copyright © 1991-1996,2000 Ian Maclaine-cross.