In the combinatorics courses I've taught, I sometimes called them the "choose-erator" and the "choose-ominator". :-) Jim On Wed, Sep 12, 2018 at 8:30 PM, Michael Collins <mjcollins10@gmail.com> wrote:

Is there any standard terminology -- analogous to the "numerator" and "denominator" of a fraction -- for the "n" and "k" in "n choose k"? If not, I'm sure people on this list could come up with some good suggestions ...

-Mike Collins _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun