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  1. #1
    Senior Member Saslou's Avatar
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    Default Mathematical equations and formulas

    Hey guys ..

    I would like to know what your all time favourite mathematical equation/formula is.

    I have been looking at Euler's Equation and Heisenberg's Uncertainty Principle but then i like the skeletal formula of Serotonin .. I need some inspiration as i want something that can explain so much of what we are made of, of who we are and of how far we've come and who better to ask than you guys. It needs to be aesthetically pleasing also.


    Thanks in advance.
    “I made you take time to look at what I saw and when you took time to really notice my flower, you hung all your associations with flowers on my flower and you write about my flower as if I think and see what you think and see—and I don't.”
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  2. #2
    Senior Member INTP's Avatar
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    -1 + 1 = 0

    0 = -x + x
    "Where wisdom reigns, there is no conflict between thinking and feeling."
    — C.G. Jung

    Read

  3. #3
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    Soh Cah Toa

    its the one I have found the most useful
    Im out, its been fun

  4. #4
    NPcomplete
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    Euler's beautiful and Bernoulli's equation rocks! There's also the quadratic formula. So simple and yet, essential. *sigh*
    Last edited by NPcomplete; 01-01-2012 at 06:47 PM. Reason: :D is too happy an emoticon...

  5. #5
    Senior Member Mal12345's Avatar
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    The formula for warp speed. ds^2=-dt^2+(dx-vsf(rs)dt)^2
    "Everyone has a plan till they get punched in the mouth." Mike Tyson
    “Culture?” says Paul McCartney. “This isn't culture. It's just a good laugh.”

  6. #6
    Senior Member FunnyDigestion's Avatar
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    ΔE = W + Q + E

    E is the change in energy in a system, W is work, Q is heat transfer, E is additional energy put into the system from outside

    Force = Torque / (r*sin(θ))

    r is distance from the torque to the object to which it is applied, θ is angle between force vector & r
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  7. #7
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    Quote Originally Posted by _Poki_ View Post
    Soh Cah Toa

    its the one I have found the most useful
    I guess I will extrpolate mine

    Sin = Opposite/Hypotenuse
    Cosine = Adjacent/Hypotenuse
    Tangent = Opposite/Adjacent

    Nothing special, it just comes in handy when calculating dimensions while building things.
    Im out, its been fun

  8. #8
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    equation for torque makes my world go round


    [none of the possible puns intended]

  9. #9
    Artisan Conquerer Halla74's Avatar
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  10. #10
    sswwwaagggg gmanyo's Avatar
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    I've always hated equations. Memorizing boring shit that I don't care about. If I had to pick one I'd go with f'(x) = (limit as h approaches 0) f(x+h) - f(x) / h (the function for derivatives) because derivatives and integrals are awesome concepts, and that equation is less about memorizing what numbers go where than it is about understanding larger ideas. I really like related rates but can't quite remember how to do them.

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