Not About Apples: Casting Out Nines

New article at Not About Apples. Inspired by a conversation I had a little way back at my favorite coffeeshop, the Cafe Aroma in Fenton.

Permalink: Casting Out Nines (and Elevens, and Sevens . . .)

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One Response to Not About Apples: Casting Out Nines

  1. kayak woman says:

    Cool! I didn’t continue with math past calculus but I remember being bored in grade school and figuring out stuff like casting out nines. I didn’t have a name for it.

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