Peter T wrote:
Also, I'm always surprised that spreadsheets are often hardly tested. Most
financial companies have very strict rules for testing professionally
developed systems, but don't pay any attention to the correctness of
spreadsheets.

Surely that can't be true :-)

http://www.eusprig.org/stories.htm

Regards,
Peter T

Fascinating stuff! I've always known that this sort of thing must be
happening all over the place. Good to see it documented. Let's face it,
for most businesses, QA/QC is not even a consideration.