Get out your timer and number two pencil to see if your arithmetic skills are still sharp.

One simple rule can help solve any complex equation. Here's a hint: all it takes is a catchy acronym.

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

Add Yahoo as a preferred source to see more of our stories on Google. We like to think that we're pretty good at math, especially after years of schooling. But every once in a while, a simple ...