Get out your timer and number two pencil to see if your arithmetic skills from grade school are still intact.

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 ...

One simple rule can help solve any complex equation. Here's a hint: all it takes is a catchy acronym.

People often solve simple arithmetic problems, such as basic addition, subtraction, multiplication or division, in their minds. The precise mental processes they rely on to solve these problems, ...