english deutsch
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.