From: Robert C. Duvall <rcd@cs.duke.edu>
  To  : 
  Date: 29 Jan 1999 08:40:24 -0500

Re: Quick question...

> I have a quick question on the Arithmetica assignment.
> 
> In the documentation, it says that if the user types:
> > + 10
> > * 10
> this corresponds to !!+10 and !!*10.  However, what happens if the user
> enters:
> > - 10
> Does this correspond to (10*-1) or !!-10?

This is clearly an ambiguity in the requirements.  That sometimes
happens.  You should decide which behavior you think is appropriate
and reasonable (AND DOCUMENT YOUR DECISION), and implement it that
way.

In other words, I (nor does your grade) care about which way you
choose to resolve this ambiguity (as long as you document your choice :)


rcd


-- 
Robert C. Duvall
Lecturer, Duke University
rcd@cs.duke.edu