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Top 20 Directory:
Top : Science : Math : Recreations : Specific_Numbers : 0_-_Zero
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Sites:
  		• A Rigorous Treatment of Division by Zero: By considering a new notion of division, one can allow division by zero, but the algebraic rules have to be modified.
  		• The Digit Zero: Some information about the number zero and links to other pages.
  		• Zero: A history of Zero that describes the introduction of zero and the main persons that brought advantages to it.
  		• Zero in Four Dimensions: A paper discussing the historical, psychological, cultural, and logical perspectives of the number zero.
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