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    OK - What do you think is the greatest practical use for maths at the moment and why.

    I think that members ought to be entitled to state whatever they like without fear of ridicule, AS LONG AS IT COMES WITH AN EXPLANATION - the piece of Maths in question could be broad or narrow, simple or advanced

    I myself am not too sure, hence the question, but I would like to think that the following should be contenders:

    use of enormous prime numbers in cryptography could be a contender, since upon it lies the whole enormous banking system used the world over and

    The number zero, without which place value would not be possible
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    Using mathematics to find out how we are here, and why the universe came into existence is the greatest practical use of mathematics.
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    differentiaL equations - to model real-life problems
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    (Original post by vitamortis)
    Using mathematics to find out how we are here, and why the universe came into existence is the greatest practical use of mathematics.
    cool, that's a biggy!
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    (Original post by Hasufel)
    differentiaL equations - to model real-life problems

    Yep
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    Using geometry to build buildings.
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    (Original post by vitamortis)
    Using mathematics to find out how we are here, and why the universe came into existence is the greatest practical use of mathematics.
    A physicist answer I like it.
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    The computer I'm using is a massive calculator!

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    Industrial design.
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    Basic Arithmetic:
    Keeping accounts, imagine how the world would work if we couldn't count money.

    Barter wouldn't even work, you wouldn't be able to count and trade, e.g. a cow for 3 pigs wouldn't work, it would have to be some cows for some pigs.
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    Figuring how much change your meant to get before the cashier does so you don't get shortchanged.

    Or just simple maths we use everyday .... we'd be screwed without it. Hence why it is the greatest and most used
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    (Original post by wcp100)
    The computer I'm using is a massive calculator!

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    Industrial design.
    OK - but what about the mathematics that led to the discovery of quantum tunneling, the seemingly impossible magic trick that happens millions of times every second in every computing device in the world, including the computer that you are using
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    using area = pi*r^2 to work out which deals are the best value at pizza hut
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    (Original post by Andythepiano)
    OK - but what about the mathematics that led to the discovery of quantum tunneling, the seemingly impossible magic trick that happens millions of times every second in every computing device in the world, including the computer that you are using
    To be fair, most things seem impossible until you discover an explanation.
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    (Original post by ziedj)
    using area = pi*r^2 to work out which deals are the best value at pizza hut
    That doesn't account for thickness or topping.

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    The two for one deal at my local is better
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    (Original post by wcp100)
    To be fair, most things seem impossible until you discover an explanation.
    touche
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    (Original post by wcp100)
    That doesn't account for thickness or topping.

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    The two for one deal at my local is better
    Yes it does! let z= radius a= thickness, volume = pi . z . z . a
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    (Original post by Andythepiano)
    Yes it does! let z= radius a= thickness, volume = pi . z . z . a
    I see that pun

    Pos rep.
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    Taylor series.

    The basis of how calculators use sin/cos etc functions. Without it calculators won't calculate important functions and then the whole world will end :eek:
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    I guess I can go fairly specific - in my opinion the best use of maths (so far) was in forming Maxwell's Equations (below), which describe everything to do with electromagnetism. Everything.

    \begin{array}{l} 

 \nabla  \cdot \mathop E\limits^ \to   = \frac{\rho }{{ \in _0 }} \\  

 \nabla  \times \mathop E\limits^ \to   =  - \frac{{\partial \mathop B\limits^ \to  }}{{\partial t}} \\  

 \nabla  \cdot \mathop B\limits^ \to   = 0 \\  

 \nabla  \times \mathop B\limits^ \to   = \mu _0 \mathop J\limits^ \to   +  \in _0 \mu _0 \frac{{\partial \mathop E\limits^ \to  }}{{\partial t}} \\  

 \end{array}

    EDIT: Also, the wave equation:

    \dfrac{\partial^2q}{\partial t^2} = c^2\dfrac{\partial^2q}{\partial x^2}

    (Original post by Ilyas)
    Taylor series.

    The basis of how calculators use sin/cos etc functions. Without it calculators won't calculate important functions and then the whole world will end :eek:
    http://www.thestudentroom.co.uk/show...37&postcount=8
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    Engineering?
 
 
 
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