Help understanding Scheme's syntax, procedures and calls

[Fran]

Grant Edwards <grante at visi.com> wrote in message news:<411b7bdd$0$65612$a1866201 at newsreader.visi.com>...
> On 2004-08-12, Peter Hickman <peter at semantico.com> wrote:
> 
> > Is this someone's homework by any chance?
> 
> According to the OP, it's part of a final exam.

It's not a final exam (that won't come until October-November) but
from an old exam paper. The girl's English isn't absolutely fluent and
I'm looking for a simple way to explain the expressions and functions.

FRAN