1 \documentclass{article} 2 \usepackage{amssymb} 3 \usepackage{amsmath} 4 %\newcommand{\abc}[1] 5 \setstyles{background:\#bbddee;color:black;padding:3} 6 %{\ensuremath{#1}\begin{toimage}{\huge\ensuremath{#1}}\end{toimage}\imageflush} 7 \title{Random Math} 8 \begin{document} 9 \maketitle 10 $$\oiint ~\theta{}d\theta = \frac{\theta}{2}$$ 11 $$\iiint ~\theta{}d\theta = \frac{\theta}{2}$$ 12 13 $$(\frac{\pi}{2})$$ 14 $$\textrm{bigl} : \bigl[ \frac{\pi}{2} \bigr] : \textrm{bigr}$$ 15 $$\textrm{Bigl} : \Bigl\{ \frac{\pi}{2}\Bigr\} : \textrm{Bigr}$$ 16 $$\textrm{biggl} : \biggl( \frac{\pi}{2}\biggr) : \textrm{biggr}$$ 17 $$\textrm{Biggl} : \Biggl\{ \frac{\pi}{2} \Biggr\} : \textrm{Biggr}$$ 18 19 $$1+\frac{a}{1+\cfrac[l]{left-align}{\biggl(1 + \sqrt{left-align}\biggr)}}$$ 20 21 $$1+\cfrac[r]{\sqrt[5]{right-align}}{1 + right-align}$$ 22 boxed formula outside display mode : $\boxed{\eta \leq \bigl\{\frac{\pi}{2}\bigr\}}$ 23 %outside : $a \xrightarrow[2]{1} b \xleftarrow[4]{3} c$ : display 24 $$a \xrightarrow[2]{1} b \xleftarrow{3} c$$ 25 $$\sqrt[3]{x \star x}~\xrightarrow{\beta} x$$ 26 27 sqrt outside display mode : $\sqrt[5]{4 \star 4 \star 2} \to \sqrt[3]{4 \star 2}\to \sqrt{4}$ 28 29 $$output = \sqrt[5]{\frac{100+int}{100} ~\star input}$$ 30 31 $$\frac{3}{2} ~\simeq \boxed{\eta \leq \Biggl[\frac{\sqrt{\pi}}{2}\Biggr] \xleftarrow{\theta} ~\Theta} ~\succapprox \cfrac[l]{4}{4+4}$$ 32 33 34 \end{document}