Interesting comment, Brian.  I recall that I always understood my calculus course the following quarter;  I wonder if it isn't the same way with ON.  We understand it later than the first time we encountered/needed it.
    Alec
 
 
In a message dated 3/31/2010 10:16:10 A.M. Pacific Daylight Time, BMScott@... writes:
 

--- In norse_course@ yahoogroups. com, "Fred and Grace Hatton"
<hatton@...> wrote:

> Thanks for your help! Seems so clear when you explain it, yet......

I wish that I had a dime for every time that my students here at
the university have said that! (Different subject, though: I'm
actually a mathematician. )

Brian