http://c2.com/cgi/wiki?RichardRabinowitz - This is the new Wacky Italian History page. Enjoy (or feel repulsed, or both)!
... the roots of the equation. The formula reads <math> x=\frac{-b \pm \sqrt {b^2-4ac}}{2a} </math> The term b2 – 4ac is called the discriminant ...