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		   2 items are filed under this topic. 
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    Why is 0! = 1? | 
  2001-01-30 | 
   
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  From Diane: Every math book always claims that 1!=1 and 0!=1 are givens, and that we should just memorize it. i understand the 1! part, but where is the basis for claiming that 0!=1???? Answered by Walter Whiteley. | 
   
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    0! | 
  1997-03-02 | 
   
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  From Donna D. Hall: I am looking for a quick and easy explanation as  to why 0! is 1. Answered by Walter Whiteley and Denis Hanson. | 
   
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