. "Gerbert of Aurillac"@en . . . . "Sylvester II"@en . . "Pope" . "Pope Sylvester II or Silvester II (c. 946 \u2013 12 May 1003) was Pope from 2 April 999 to his death in 1003. Born Gerbert d'Aurillac (Gerbert of Aurillac), he was a prolific scholar and teacher. He endorsed and promoted study of Arab/Greco-Roman arithmetic, mathematics, and astronomy, reintroducing to Europe the abacus and armillary sphere, which had been lost to Latin (not Byzantine) Europe since the end of the Greco-Roman era."@en . . "1003-05-12Z"^^ . . "1003Z"^^ . "0946Z"^^ .