square roots, cube roots, &c. In the next section the reader has brought before him the chief formulæ in pure and applied mechanics:, here, for example, he can find at a glance the lengths of ...

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 gives \(\sqrt{4} = 2\). To find square roots or cube roots, work backwards from ...