Redirected from 520 BC
Decades: 570s BC - 560s BC - 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC - 480s BC - 470s BC
Significant People
... usual form of the quadratic formula is not ideal. See Loss of significance for details. Derivation The quadratic formula is derived by the method of completing th ...