It’s surprisingly difficult to prove one of the most basic properties of a number: whether it can be written as a fraction. A broad new method can help settle this ancient question. In June 1978, the ...

Every mathematician has a story that goes something like this. You’re at a party, and someone asks what you do for a living. “I’m a mathematician,” you say. “You must be a genius!” they reply. Or ...

Google has quietly upgraded their search calculator to not just answer your basic math questions or graphical or 3D math questions; now, it can do your geometry homework. You can ask Google geometry ...