Decades: 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC - 480s BC - 470s BC - 460s BC - 450s BC
Significant People
... does not intersect the x-axis at all.) Note that when computing roots numerically, the usual form of the quadratic formula is not ideal. See Loss of significance for ...