Grade school math students are likely familiar with teachers admonishing them not to just guess the answer to a problem. But a new proof establishes that, in fact, the right kind of guessing is ...

Sometimes, it’s easy for a computer to predict the future. Simple phenomena, such as how sap flows down a tree trunk, are straightforward and can be captured in a few lines of code using what ...

When the letter you want to find is not on its own, you need to rearrange the equation and make your letter the subject of the equation before you can solve it. There are usually several ways to solve ...