The use of the letter x as a mathematical unknown is a relatively modern convention. Algebra has been around for a lot longer. Daryl Benson/Stockbyte via Getty Images You might be most familiar with x ...

Math-M-Addicts students eagerly dive into complex math problems during class. In the building of the Speyer Legacy School in New York City, a revolutionary math program is quietly producing some of ...

It is the perfect movie mystery plot. A problem unsolved for decades. A hero drawn into the search for a solution many think does not exist. The hero gives up, only to be drawn back in. After years of ...