When1: 150
Who: Ptolemy
What: mathematician
Where: Alexandria, Egypt
works\ Almagest or Great Book [150]
Detail: He lived 87 to 150, invented maps with longitude and latitude, discovered Ptolemy's theorem, and invented epicycles to describe planetary motions.
Mathematical Sciences>Mathematics>History>Geometry
3-Mathematics-History-Geometry
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Date Modified: 2022.0224