祖冲之生于429年死于500年,南北朝时代南朝数学家、天文学家.字文远.(今河北)人.祖冲之在前人推算圆周率的基础上,利用割圆术的方法继续推算,得出圆周率值在3.1415926和1415927之间.
Theancestorflushesittobeborndiesin429yearsin500years,theSouthernandNorthernDynastiestimeSouthernDynastymathematician,theastronomer.CharacterWenYuan.(NowHebei)person.Theancestorflushesitinthepredecessortocalculatethegirthquotientinthefoundation,theuseshearstheroundtechniquethemethodtocontinuetocalculate,obtainsthegirthquotientvaluebetween3.1415926and1415927