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Custom Pi Necklace

In honor of Pi Day, here’s a wonderful example of student creativity:  a necklace that encodes the first 80 or so digits of pi in beads!

My Pi Necklace

Starting with the pendant as 3, the beads and string clockwise, in a circle, according to the following mapping:

Thus, you can read off 3.14159265358, and so on.  A truly thoughtful, creative, and inspired work!


  1. Kevin H. says:

    I like the idea of the necklace. Is it possible to contact with the student for authorization to use it on the math literary magazine?

    If so, I would be glad to work with him/her.

  2. Bo says:

    Very nice. It reminds me of a classic electronic resistor and its color code, though numbers behind there are a bit different.

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