Decades: 1610s BC 1600s BC 1590s BC 1580s BC 1570s BC - 1560s BC - 1550s BC 1540s BC 1530s BC 1520s BC 1510s BC
Significant People
... 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 ...