I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Researchers at Rochester Institute of Technology have developed MathDeck, an online search interface that allows anyone to easily create, edit and lookup sophisticated math formulas on the computer.

You know that sinking feeling. You've worked through the practice problems, reviewed your notes, and felt confident while studying. But the moment the exam paper hits your desk, the formula you swore ...