NB: Old page. The latest versions can be found
here.
To use the package you need the files below. Download them and put them in a
directory that you name GrafPack where Mathematica can see it. Alternatively
you can download the entire directory in the file GrafPack.tar.gz. Start up
Mathematica and type
<<GrafPack`Master`
Basics
Combinatorics
GraphFamilies
GraphIO
GraphPolynomials
TransferMatrices
Master
GrafPack.tar.gz