Half a croissant, on a plate, with a sign in front of it saying '50c'
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Circular Number Line

Number theory to handle division by zero
 
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The two-sided limit as the denominator approaches zero does not exist in conventional mathematics. I propose a circular number line of infinite radius. As one spins around to the other side, positive infinity is blended into negative infinity.
kevinthenerd, Jun 09 2008

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       I love it, but you can't blend at infinity until you can count to it...
Voice, Jun 09 2008
  

       Not as original as you might think. Many schoolkids on first sight of the graph of y = tan(x) think of this.   

       Various versions of this, with less than infinite radius, have been used in computing for quite some time.   

       Not seeing how you intend to handle division by zero any better through this either.
boysparks, Jun 10 2008
  

       So, basically an infinity juicer? I don't get it.
daseva, Jun 10 2008
  
      
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