Mathematics

You might remember pi (π) from school. It’s that special number, roughly 3.14, that pops up whenever you talk about circles. It connects a circle’s circumference (the distance around it) to its diameter (the distance across it). The rule is simple: Circumference = π times Diameter. It also appears when you calculate the area inside […]

What happens in math class when you try to find the square root of a negative number, like negative nine (√-9)? Usually, the answer is “You can’t do that!” or “There’s no real solution.” We learn that squaring any real number (multiplying it by itself), whether positive or negative, always results in a positive number. […]