[ 源代码： gnuplot ]
软件包：gnuplot-doc（5.4.4 dfsg1-2）
Command-line driven interactive plotting program. Doc-package
Gnuplot is a portable command-line driven interactive data and function plotting utility that supports lots of output formats, including drivers for many printers, (La)TeX, (x)fig, Postscript, and so on.
Data files and self-defined functions can be manipulated by the internal C-like language. Can perform smoothing, spline-fitting, or nonlinear fits, and can work with complex numbers.
This package contains the additional documentation.