Subscripts and superscripts - Overleaf, Online LaTeX Editor Open this example in Overleaf. This LaTeX code produces: \[ \int\limits_0^1 x^2 + y^2 \ dx \] By convention, superscripts and subscripts in L a T e X are created using the characters ^ and _ respectively; for example, the exponents applied to \(x\) and \(y\) in the code fragment above. Those characters can also be used with mathematical symbols, such as the integral (\int) included in the ...