|$\KaTeX$ |Plain Text| | ------- | ------- | |$x_n$ | x_n| |stackrel{!}{=} | \stackrel{!}{=}| |$\overset{!}{=}$ | \overset{!}{=}| |underset{!}{=} | \underset{!}{=}| |{=}mathllap{/,} | {=}\mathllap{/\,}| |mathrlap{,/}{=} | \mathrlap{\,/}{=}| |$a \atop b$ | a \atop b| |araisebox{0.25em}{b}c | a\raisebox{0.25em}{b}c| |$_u^o$ | _u^o| |$e^x$ | e^x| |$\left(x^{\smash{2}}\right)$ | \left(x^{\smash{2}}\right)| |$\sqrt{\smash[b]{y}}$ | \sqrt{\smash[b]{y}}| |sum_{mathclap{1le ile jle n}} x_{ij} | \sum_{\mathclap{1\le i\le j\le n}} x_{ij}|