Ian White GM3SEK wrote:
... Where those
assumptions are no longer accurate, we can extend the simple model to
include some corrections. But the most important point is, we always
know that we're building up from a solid foundation."
...

In the profession which puts meat on my table, that/those are called
"magic numbers" and are a sure sign something is amiss, either with the
understanding of the problem(s), the methods or the person attempting
the solutions ...

Regards,
JS