Bibliography:
Quotes:
On the US$950,000 nobel prize: "This prize is for all speakers of Portuguese, but while we're on the subject, I shall keep the money."
... square of b/(2a) to both sides, getting <math>x^2+\frac{b}{a}x+\frac{b^2}{4a^2}=-\frac{c}{a}+\frac{b^2}{4a^2}.</math> The left side is now a perfect ...