Everyone knows that arithmetic is true: 2 + 2 = 4. But surprisingly, we don’t know why it’s true. By stepping outside the box of our usual way of thinking about numbers, my colleagues and I have ...

A graphic artist is testing everyone’s knowledge of the mathematical order of operations with a string of numbers and missing arithmetic symbols. Gergely Dudás, of Budapest, Hungary, shared the new ...

The symbols we use every day have fascinating and surprisingly recent origins, explains author Joseph Mazur in his new book A few years ago friends and I were talking about the origins of written ...

The study of mathematics has existed since ancient times. Multiplication tables and other math exercises have been found carved into Babylonian tablets from some 3,700 years ago. But the symbols that ...

Everyone knows that arithmetic is true: 2 + 2 = 4. But surprisingly, we don't know why it's true. By stepping outside the box of our usual way of thinking about numbers, my colleagues and I have ...