\sqrtx^2 + y^2
If you aren't trying to type the symbol but actually need to calculate a value, the built-in Calculator app has two ways to handle square roots. The Basic View square root on mac
Let’s get typographic. The square root symbol is not just any shape. It is a radical (the vertical stroke) with a vinculum (the horizontal overbar). In high-quality typography, the vinculum extends precisely over the radicand (the number inside). \sqrtx^2 + y^2 If you aren't trying to