gnuplot -is:package

gnuplot, gnuplot License
Command-line arguments to pass to the interpreter for the gnuplot toolkit.
The executable to use to generate figures using the gnuplot toolkit.
The default preamble script for the gnuplot toolkit.
plots a custom function passed to Gnuplot (like x**2 + 10)
plots a custom function passed to Gnuplot (like x*y)
Options which can be used with plot'