‏Jami Jorgensen is the human jukebox of quadratic equations. “Anything that’s an algorithm, I have a song for it,” said the energetic middle-school math teacher in Hayward Unified, in the east Bay ...

Jami Jorgensen is the human jukebox of quadratic equations. “Anything that’s an algorithm, I have a song for it,” said the energetic middle-school math teacher in Hayward Unified, in the east Bay Area ...

The Poincaré conjecture has been in the news lately. Russian mathematician Grigori Perelman submitted a proof 3 years ago claiming that he had proved the famous conjecture. In August, he won a ...