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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: High school
Topic ID: 181
Message ID: 1
#1, RE: Rational number
Posted by alexb on Jun-27-02 at 01:23 PM
In response to message #0
LAST EDITED ON Jun-27-02 AT 01:29 PM (EST)
 
> Why we use the symbol "Q" to be rational number,
> what is the source of the symbol ?

Well, if I had to introduce a rational number, I'd probably name it "r" for rational. I would guess that in somebody's mind "Q" might be associated with Quotient. I do not believe there might be a deeper reason than that.