Re: numeric properties of Nl characters in the UCD

From: Peter Kirk (peterkirk@qaya.org)
Date: Wed Nov 26 2003 - 11:04:33 EST

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    On 26/11/2003 04:40, Andrew C. West wrote:

    >On Tue, 25 Nov 2003 16:16:15 -0800, "Doug Ewell" wrote:
    >
    >
    >>Well, one reason could be that there is no such character. (Did you
    >>mean U+1034A GOTHIC LETTER NINE HUNDRED?)
    >>
    >>
    >>
    >
    >But why do U+10341 [GOTHIC LETTER NINETY] and U+1034A [GOTHIC LETTER NINE
    >HUNDRED], which are letters that are only ever used to represent the numbers 90
    >and 900 respectively (they have no intrinsic phonetic value), not have a numeric
    >value assigned to them ? Is this perhaps because all the other Gothic letters
    >can also be used to represent numbers in exactly the same way that U+10341 and
    >U+1034A are used (these two letter were devised specifically to fill the gap in
    >the series of numbers represented by the ordinary Gothic letters), ...
    >
    Probably not. It doesn't take long to see that NINETY appears where one
    might expect a Q and corresponds to the Greek koppa. Koppa was used as a
    letter in very early Greek, but since then (and even to the present day)
    as a numeral with the same value 90. See
    http://www.tlg.uci.edu/~opoudjis/unicode/numerals.html#koppa. It is
    clear from the value and the glyph that the Gothic NINETY is derived
    from the Greek koppa. Similarly, the Gothic NINE HUNDRED is derived from
    the Greek sampi (U+03E1).

    -- 
    Peter Kirk
    peter@qaya.org (personal)
    peterkirk@qaya.org (work)
    http://www.qaya.org/
    


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