The formula for calculating the volume of a cuboid is: Volume = length × width × height. Or you could write this as: V = l × w × h. It is important to know how much space objects take up.

It’s humbling to realize that much of high-school math, so vexing to so many of us, was already well understood thousands of years ago. The Egyptians came nowhere near E=mc2, but they knew how to find ...