by
Charlene Smith
EGYPTIAN MATH
http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Egyptian_papyri.html
http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Egyptian_numerals.html
http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Zero.html