- From: Robert Miner <RobertM@dessci.com>
- Date: Fri, 5 Nov 2004 11:24:42 -0600
- To: behdad@cs.toronto.edu
- CC: RobertM@dessci.com, www-math@w3.org

Hi. > Yes and no. > Persian is what they call "Farsi", which is wrong. > Persian is written in the Perso-Arabic "script", but is a > completely different language from Arabic. Urdu, Pashto, and > Dari have some roots in Persian. > > And no, there's almost nothing common between Persian > typography/orthography and Arabic, except for the script. > > Guess you forgot to link to article. I can say more if you send > that. Sorry. The URL to the original posting on the www-math list is http://lists.w3.org/Archives/Public/www-math/2004Nov/0011.html That posting refers to an article that made the comment about math in Perso-Arabic languages behaving the same. The URL for the article is http://www.rubicon.com.jo/papers/MathML-Arabic.pdf However, I don't think you need bother with further explanation. I understand the main point. For this discussion, the only thing that really matters is the claim that math is usually typeset left-to-right in Persian, whereas it is typeset right-to-left up to college-level material in Perso-Arabic languages. I have been told that math is typically typeset LTR in Hebrew by a number of people, but you are my only source of information about Persian. When we were working on MathML 2, we contacted some Arabic-speaking mathematicians who left me with the impression that except for a small amount of very elementary math, math was LTR in Arabic too. But the truth seems to be closer to math always being done RTL in Arabic until maybe college or beyond. Having known a lot of mathematicians, I now suspect this was just myopia, and they were counting everything beneath multivariable calculus as "a small amount of very elementary math". Just to be sure I'm not making the same mistake again, are you fairly sure math is done RTL in Persian even in the elementary grades? I'm thinking of things like "2 + 5 = 7" or even "2 apples + 5 apples = 7 apples". At a minimum, I would think this last example would have to be bidi... --Robert ------------------------------------------------------------------ Dr. Robert Miner RobertM@dessci.com W3C Math Interest Group Co-Chair 651-223-2883 Design Science, Inc. "How Science Communicates" www.dessci.com ------------------------------------------------------------------

Received on Friday, 5 November 2004 17:25:18 UTC