Decades: 1570s BC 1560s BC 1550s BC 1540s BC 1530s BC - 1520s BC - 1510s BC 1500s BC 1490s BC 1480s BC 1470s BC
Significant People
... is not 2. (In a field of characteristic 2, the element 2a is zero and it is impossible to divide by it.) The symbol <math>\pm \sqr ...