Re: rational - irrational question

On Sat, 19 Apr 2008, Odysseus wrote:
>  "~greg" <g_m@[EMAIL PROTECTED]
> wrote:
>
> > "William Elliot" >
> > >> And define Bij = inf { i/ sqr(1+w?)  : w e W } = i / sqr(1 +
(supW)?)  .
> > >> This is also > 0.
> > >>
> > > What does the question mark mean?
> >
> > Most likely it just means that we have our ng readers
> > set up to use different fonts.
> >
> > The character is the standard ASCII for superscipt 2.
> > It's supposed to be the square of (supW).
>
> Not standard ASCII, but a superset thereof: ISO Latin-1 or, as indicated
> in your header, ISO-8859-1. (FWIW my newsreader interpreted the
> superior-two character in your original posting as a double closing
> quotation mark.) William is posting in ASCII, which doesn't have a slot
> for the character.
>
In other words, use n^2 for n squared, to be readable by all.
Some other question marks that weren't explainable by being the "squared"
symbol '^2'.  What were they?  Again, to be readable by all, become
acquainted with plane ascii text notation conventions used in these
groups.