Revisi per 21 Oktober 2012 14.09 sunting Kota Kalabahi (bicara \| kontrib) 6 suntingan Kota Kalabahi Kab.Alor ← Revisi sebelumnya		Revisi per 21 Oktober 2012 15.33 sunting balikkan Tegel (bicara \| kontrib) 173 suntingan k ←Suntingan Kota Kalabahi (bicara) dikembalikan ke versi terakhir oleh Bozky Revisi selanjutnya →
Baris 1: On this day in 320, Pappus of Alexandria, one of the last great Greek mathematicians of antiquity, observed an eclipse that allowed historians to calculate the approximate dates of his life. If we had no other information, we would only know that Pappus (who never dated his writing) lived later than Ptolemy and earlier than Proclus.

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