I have a friend that is looking to brush up on her math before going back to school. Some quick searches online show a lot of "homework help" sites, most of which are trying to get you to subscribe. I ...

Like many students around the world, Eithne, 14, in Chorley, United Kingdom, was struggling to keep up in math at school after more than a year of COVID-19 related disruptions. In June 2021, her ...

Back in 2019, Po-Shen Loh—an associate professor at Carnegie Mellon University and national coach of the U.S. International Mathematics Olympiad—taught the world a new way of solving quadratic ...