A mathematician at Carnegie Mellon University has developed an easier way to solve quadratic equations. The mathematician hopes this method will help students avoid memorizing obtuse formulas. His ...

In most formulas, one variable is by itself on the left hand side (LHS) of the formula. This variable is the subject of the formula. Changing the subject of the formula is a process of rearranging a ...

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 ...