Decades: 1100s BC 1090s BC 1080s BC 1070s BC 1060s BC - 1050s BC - 1040s BC 1030s BC 1020s BC 1010s BC 1000s BC
Significant People
... The formula and its proof remain correct if the coefficients a, b and c are complex numbers, or more generally members of any field whose characteristic is not 2. ...