This Just-in! Justin Myles Holmes

by Justin Myles Holmes


Very trippy multiplication technique

March 15th, 2009 at 6:39 pm

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2 comments.


  1. Love it! Very clever. I’ll remember this one for those times I’m without a calculator.


  2. Wow. I wonder why that works. And if it works in any base. (It has to work in any base … so is it a good base conversion technique as well?)

    Hmmmmmmm….

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