I don't know exactly why, but they simply accepted the № symbol for "number" in Russian. Maybe it's because it was used in German and French, and German was the science and medicine's language in Russia during 18th-19th centuries, while French was the language of the nobles (some Russian nobles hardly spoke Russian at all) and educated people. BTW the № sign itself is just the graphic abbreviation of No., "numero". It has been used in English as well.
No, but you'll often find that they speak some other 2nd language (sometimes a 3rd or 4th as well). They teach language at a much younger age than we do in the states. My host mom spoke passable German and my host brother at 9 had already had three years of German.
Just a tradition. I think wolk_off is right: it appeared in Russian at the times when we hardly had any scientifical or even semi-scientifical terms and used German and French instead.
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Date: 2005-04-07 06:25 pm (UTC)In English, you use # for number, which doesn't look like any usual letter.
№ is like that.