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Formula of the Day

Discussion in 'Off-Topic' started by tarnok, Feb 20, 2004.

  1. tarnok

    tarnok IncGamers Member

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    Formula of the Day

    The Quadratic Formula

    This formula allows one to solve any quadratic equation without all that tedious factoring or completing the square. Similar but much more complicated formulae exist for third and fourth degree polynomials, while it has been proven that no such formula exists for fifth degree or higher polynomials.
     
  2. Forcefeedback

    Forcefeedback IncGamers Member

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    /rant born of frustration
    I say down with public maths formulas involving fourth or higher polynom equations!

    It would be heaven if you had to be a qualified maths expert to access the more complex formulas of maths stored in goverment controlled databases. This would prevent people studying some other science from getting frustrated with the number of existing formulae and ease the studying. When starting to study maths you would be required to fill out a form stating that you shall not sue anyone if your mind gets boggled and you lose your sanity trying to solve an equation involving sixth degree polynom with nepers constant, sin and other nice riddanses(sp). With the opening of the pandoras box (maths), you give your little finger to an demon ready to devour your mind every time you think of a problem.

    Don't spoil your common sense, maths is a plague created by someone intelligent enough to know not to study maths theoreticly.
    end rant/

    Quadratic formula is a time saver everyone needs to have in their backbone when facing polynoms.
     
  3. Mad Merlin

    Mad Merlin IncGamers Member

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    I don't know about you, but I've always preferred factoring when you don't have messy numbers. Takes far far less time.
     
  4. SuggestiveName

    SuggestiveName IncGamers Member

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    Yes, yes, maths is indeed a plague. Down with math! Down with math! /sarcasm

    Theoretically is the only cool way to study math, applications are for losers.
     
  5. dantose

    dantose IncGamers Member

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    can we model the fall of math as a function of time?
     
  6. SuggestiveName

    SuggestiveName IncGamers Member

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    Yes, but the irony would kill us.
     
  7. Akira

    Akira Member

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    i think that ought to go in a sig.

    Damn, i had to abbreviate your name to get it in, suggestive.
     
  8. th5418

    th5418 Banned

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    Boo! Its all about the pythagorean theorem even though i dont know how to spell it.

    c²=a²+b² will destroy........the quadratic theorem anyday! MAUAAHHAH
     
  9. Akira

    Akira Member

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    Actually i think that is how it's spelled.
     
  10. Steel_Avatar

    Steel_Avatar IncGamers Member

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    The problem is that when you're doing kinematics or modelling radiation damage (two examples I've actually worked with, so they come to mind), the numbers are never clean :(
     
  11. SuggestiveName

    SuggestiveName IncGamers Member

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    In real life the numbers are never clean. Only in textbooks are the examples perfect.
     
  12. tarnok

    tarnok IncGamers Member

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    Mmm, irony.
     
  13. th5418

    th5418 Banned

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    Of course you do factering whenever possible. Thats the freaking easiest way. If you cant factor it, its all about the quadratic.
     
  14. Mad Merlin

    Mad Merlin IncGamers Member

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    That's when you throw the equation at your calculator and hit the solve button, unless you need an exact answer or something.
     
  15. Akira

    Akira Member

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    i've seen calculators that can give exact answer (at least with answers that involve pi).
     
  16. Steel_Avatar

    Steel_Avatar IncGamers Member

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    3 or 4 sig figs is generally sufficient :D

    Unless we're doing particles. Then you want as many as you can get :p
     
  17. PublicEnemy

    PublicEnemy IncGamers Member

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    There is no need to calculate manually;if you know formulas,just make a program which calculates solutions;i have made a program for my calculator which can solve any given polynomial until 10 th degree
    By the way,it's better to give the formula than just talking about it
     

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