May is almost here, bringing warmer weather and various holidays, such as Mother's Day, Memorial Day and Cinco de Mayo. While Cinco de Mayo is the most popular reason to celebrate May 5, this year, ...

Today is Cinco de Mayo. And this year, the fifth of May is filled with mathematical joy. It is — Square Root Day! It all started in 1981. "I was writing a check in late August," says Ron Gordon, who ...

Save guides, add subjects and pick up where you left off with your BBC account. Practice using the discriminant to determine the number of roots ahead of your National 5 Maths exam with this ...