Centuries: 6th century - 7th century - 8th century

Decades: 640s 650s 660s 670s 680s - 690s - 700s 710s 720s 730s 740s

Years: 691 692 693 694 695 696 697 698 699 700 701

Births

Deaths

... our quadratic equation by a, we have <math> x^2 + \left( \frac{b}{a} \right) x + \frac{c}{a}=0 </math> which is equivalen ...