Otto Stolz scripsit:
> This is a sequence of two Unicode characters, viz.
> U+0078 LATIN SMALL LETTER X
> U+0305 COMBINING OVERLINE
> Incidentally, the bar (rather than x-bar) signifies the mean; the bar
> could be applied to any name indicating the mean of all and any values
> having that name. In this respect, the combining overline mimicks the
> mathematical formalism better than any x-bar character would.
Hmm. If you multiply x-bar by y-bar, surely you want the bars to be
separated, not run together into a single bar (which would be the mean
of x times y), no? In that case COMBINING MACRON would be better.
Or should x-bar times y-bar be written with a THIN SPACE separating them?
--
John Cowan [EMAIL PROTECTED]
One art/there is/no less/no more/All things/to do/with sparks/galore
--Douglas Hofstadter