Commutativity is a pretty important concept in mathematics. Addition is commutative, because, for example, it doesn’t matter which way around you add two numbers: 6+3 is just the same as 3+6. Multiplication is commutative too, since 5 x 4 = 4 x 5 (indeed, a x b = b x a, no matter the values of […]
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Dramatis persona*
Helen Chick
I've always wanted a bumper sticker that said "I'm a female, LDS/Mormon, Scout leading, geocaching, piano-playing, bicycling, mathematics educator with a PhD in maths ... and I VOTE"! I think this makes me a minority group of cardinality 1! * Since there's only one of me and "personae" is plural (I think), I've gone with dramatis persona. Visitor counterVisits since May 2016 Recent visitors |
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