Famous Curves Index Curves you've heard of and curves you haven't, from Astroid to the Witch of Agnesi. http://www-groups.dcs.st-and.ac.uk/~history/Curves/Curves.html Top/Science/Math/Recreations
Zero A history of Zero that describes the introduction of zero and the main persons that brought advantages to it. http://www-groups.dcs.st-and.ac.uk/history/HistTopics/Zero.html Top/Science/Math/Recreations/Specific_Numbers/0_-_Zero