The last Square Root Day was April 4, 2016 – 4/4/16 – and the next one won’t take place until June 6, 2036 – 6/6/36. Square Root Day was first celebrated on September 9, 1981. It was ...

Save guides, add subjects and pick up where you left off with your BBC account. The notation \(3^2\) and \(2^3\) is known as index form. The small digit is called the index number or power.

To find the cube root of a number, we have to find out which number when multiplied by itself twice gives that number. This is the same as trying to find out the length of the side of a cube when ...