For example, suppose you wanted to take the square root of 85. You can observe that ... The ancients loved to estimate numbers. And Hero was into a lot of different things.

The reciprocal square root using this method may be computed iteratively according to equation 1, where qi is the approximate value of . After n iterations the square root of X is [6]. The restoring ...

Save guides, add subjects and pick up where you left off with your BBC account. Roots are the opposite of powers. As 2 squared is 4, then a square root of 4 must be 2. \(2^2 = 4\). Reversing this ...