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The Most Beautiful Equations

This is a nice comment-thread and poll on Quora responding to the question “What is the most beautiful equation?”


No surprise to see Euler’s Identity on top with a whopping 350 votes.

There are fun entries all throughout thread, and I definitely learned a few things through perusing.   And I guess I can forgive the participants for including some inequalities on the list.

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  1. Tao Wang
    February 9, 2011 at 1:13 pm

    I would define beauty in mathematics and science as 1) short, 2) easy to understand, 3) describes an idea that is non-obvious. Euler’s identity certainly fits #1 and #3 but not #2. In my opinion, the most beautiful equation is F=ma.

  2. February 9, 2011 at 1:20 pm

    Shouldn’t “Truth” also be a requirement?

    • Tao Wang
      February 10, 2011 at 3:12 pm

      ahem, “describes a ‘true’ idea that is non-obvious”

      • February 10, 2011 at 3:30 pm

        I think “F = ma” fails to meet the truth requirement.

  3. James T
    February 9, 2011 at 7:37 pm

    I would consider V-E+F=2

  4. Troy Singletary
    February 13, 2011 at 4:54 pm

    Personally I think the Dirac equation should be at/near the top. It predicted antimatter before it was experimentally discovered!

  5. da hua
    February 13, 2011 at 10:17 pm

    I think it’s e^ipi = -1 (Euler’s identity).

  6. Juejun Xiao
    February 16, 2011 at 1:20 am

    I like the equation
    1+3 = B

  7. Juejun Xiao
    February 16, 2011 at 1:28 am

    whats the Limit, as i approaching to u, of the function (i + me),
    The limit is u and me.
    Don’t throw rocks at me.

  8. July 8, 2012 at 1:36 am

    hands down. (∆x)(m)(∆v)=h/2

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