by Dylan Carter
what he contributed to the human race.
his professionalim was astronomy and a geographer.
-came up with pie π = 3 17/120 = 3.14166 and √3 = 1.73205.
april 6-The tetrabiblos is another one of Ptolemy's famous books. This was republished and available in greek in 1535. This was republished in Nuremburg.
-Ptolemy worked in a library in alexandria from about 127 to 150 a.d. He was known for publishing the Almagest, Tetrabiblos, and Geography.
13 Sep 147-The almagest is one of Ptolemy's books telling about astronomy. This was public at around 147 to 148 a.d.