COLUMBIA, S.C. — If your child's math homework has you scratching your head confused, you're not alone. Parents who grew up in the '80s, and '90s learned basic formulas, such as long division to solve ...

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

NPR’s Robert Krulwich has a whimsical piece on the one formula that rules it all, from unicellular organisms to whales and sequoias and humans. A math formula that governs our life and tells us when ...