Decades: 50s BC 40s BC 30s BC 20s BC 10s BC - 0s BC - 0s 10s 20s 30s 40s
8 BC7 BC 6 BC 5 BC 4 BC 3 BC 2 BC 1 BC 1 2 3
Births
Deaths
... roots numerically, the usual form of the quadratic formula is not ideal. See Loss of significance for details. Derivation The quadratic formula is derived by ...