Republic of Mathematics blog

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Multiplication of whole numbers, and how we think about it

Posted by: Gary Ernest Davis on: December 31, 2010

I want to take a – relatively minor – exception to Keith Devlin’s post, What Exactly is Multiplication?, on multiplication as repeated addition, and then largely agree with what he writes, with some amplification. Multiplication is a defined notion for whole numbers and is provably commutative Devlin claims that multiplication is not repeated addition and […]

Numbers and patterns in nature

Posted by: Gary Ernest Davis on: December 31, 2010

Two short, pilule beautiful, cialis videos, exploring the wonder of numbers and patterns in natural forms. Happy New Year! x