Number crunching
However, one can write (and of course it has been done) a Perl
extension in a programming language like C or C++ and write a
corresponding Perl interface. See [3] on how to do
this.
Graphical User Interface
However, there is a Perl wrapper module, referred to as Perl/Tk,
that provides an interface to the Tk toolkit. An interface to the
Macintosh Toolbox is provided with MacPerl.
