1. Species of Function: ............ Exotic


       2. Equation: ...............f(x)= 1 if x is rational
         0 if x is irrational
 
 
       3. Nickname: ..kramer
 
       4. Why is this a favorite?

It's not differentiable or continuous anywhere...who wouldn't love a function 
like that?

       5. Name: ...................Dan Cavanagh
 

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