symbol-table

\documentclass[10pt]{beamer}
\usepackage[orientation=landscape,
size=custom,width=32,height=18.0,scale=.75]{beamerposter}
% 設定紙張大小
\title{symbol-table}
\begin{document}

\begin{frame}
\begin{tabular}{ll}
$\leq$ &  $\backslash$leq \\
$\geq$ &  $\backslash$geq \\
$\neq$ &  $\backslash$neq \\
$\nleq$ &  $\backslash$nleq \\
$\ngeq$ &  $\backslash$ngeq \\
$\cong$ &  $\backslash$cong \\
$\equiv$ &  $\backslash$equiv \\
$\sim$ &  $\backslash$sim \\
$\approx$ &  $\backslash$approx \\
$\doteqdot$ &  $\backslash$doteqdot \\
$\times$ &  $\backslash$times \\
$\cdot $ &  $\backslash$cdot \\
$\ast $ &  $\backslash$ast \\
$\div$ &  $\backslash$div \\
$\pm$ &  $\backslash$pm \\
$\mp$ &  $\backslash$mp \\
$\bigcirc$ &  $\backslash$bigcirc \\
$\oplus$ &  $\backslash$oplus \\
$\otimes$ &  $\backslash$otimes \\
\end{tabular}
\hspace*{1ex}
\begin{tabular}{ll}
$\propto $ &  $\backslash$propto \\
$\cdots $ &  $\backslash$cdots \\
$\dots $ &  $\backslash$dots \\
$\because$ &  $\backslash$because \\
$\therefore$ &  $\backslash$therefore \\
$\forall$ &  $\backslash$forall \\
$\exists$ &  $\backslash$exists \\
$\in$ &  $\backslash$in \\
$\subset $ &  $\backslash$subset \\
$\subseteq $ &  $\backslash$subseteq \\
$\varnothing $ &  $\backslash$varnothing  \\
$\cap $ &  $\backslash$cap \\
$\cup $ &  $\backslash$cup \\
$\setminus $ &  $\backslash$setminus \\
$\wedge $ &  $\backslash$wedge \\
$\vee $ &  $\backslash$vee \\
$\Rightarrow$ &  $\backslash$Rightarrow \\
$\rightarrow$ &  $\backslash$rightarrow \\
$\mapsto$ &  $\backslash$mapsto \\
\end{tabular}
\hspace*{1ex}
\begin{tabular}{ll}
\$ & $\backslash$\$ \\
\& & $\backslash$\& \\
\% & $\backslash$\% \\
$\backslash$ & $\backslash$backslash \\
$\sharp$ & $\backslash$sharp \\
$\partial$ &  $\backslash$partial \\
$90^\circ$ &  90$^\wedge\backslash$circ \\
$\parallel$ &  $\backslash$parallel \\
$\bot$ &  $\backslash$bot \\
$\triangle$ &  $\backslash$triangle \\
$\nabla$ &   $\backslash$nabla \\
$\square$ &  $\backslash$square \\
$\angle$ &  $\backslash$angle \\
$\Pi$ &  $\backslash$Pi \\
$\Theta$ &  $\backslash$Theta \\
$\Gamma$ &  $\backslash$Gamma \\
$\Delta$ &  $\backslash$Delta \\
$\Omega$ &  $\backslash$Omega \\
$\Sigma$ &  $\backslash$Sigma \\
\end{tabular}
\hspace*{1ex}
\begin{tabular}{ll}
$\alpha$ &  $\backslash$alpha \\
$\beta$ &  $\backslash$beta \\
$\epsilon$ &  $\backslash$epsilon \\
$\zeta$ &  $\backslash$zeta \\
$\eta$ &  $\backslash$eta \\
$\kappa$ &  $\backslash$kappa \\
$\lambda$ &  $\backslash$lambda \\
$\mu$ &  $\backslash$mu \\
$\xi$ &  $\backslash$xi \\
$\rho$ &  $\backslash$rho \\
$\tau$ &  $\backslash$tau \\
$\phi$ &  $\backslash$phi \\
$\psi$ &  $\backslash$psi \\
$\pi$ &  $\backslash$pi \\
$\theta$ &  $\backslash$theta \\
$\gamma$ &  $\backslash$gamma\\
$\delta$ &  $\backslash$delta \\
$\omega$ &  $\backslash$omega \\
$\sigma$ &  $\backslash$sigma \\
\end{tabular}
\hspace*{1ex}
\begin{tabular}{ll}
$\infty$ & $\backslash$infty \\
$f\;' $ &  f$\backslash$;$\prime$\\
$\int $ &  $\backslash$int \\
$\oint $ & $\backslash$oint \\
$\mathbb{Z} $ &  $\backslash$mathbb\{Z\} \\
$\mathbb{R} $ &  $\backslash$mathbb\{R\} \\
$\mathbb{Q} $ &  $\backslash$mathbb\{Q\} \\
$\sqrt[3]{2}$ & $\backslash$sqrt[3]\{2\} \\
$\frac{2}{3}$ & $\backslash$frac\{2\}\{3\} \\
$\lceil x \rceil$ & $\backslash$lceil x $\backslash$rceil \\
$\lfloor x \rfloor$ & $\backslash$lfloor x $\backslash$rfloor \\
$\{ x \}$ & $\backslash$\{ x $\backslash$\} \\
$\widehat{p} $ &  $\backslash$widehat\{p\} \\
$\overline{AB} $ &  $\backslash$overline\{AB\} \\
$\overleftrightarrow{AB} $ &  {\scriptsize $\backslash$overleftrightarrow\{AB\} }\\
$\overset{\LARGE\frown}{\small{AB}} $ &  {\scriptsize $\backslash$overset\{$\backslash$LARGE $\backslash$frown\}\{$\backslash$small\{AB\}\}}\\
%$\overrightharp{AB} $ &  {\scriptsize $\backslash$overrightharp\{AB\} }*\\
%$\overset{\large \rightharpoonup}{\small{AB}} &  {\scriptsize \overset{\large \rightharpoonup}{\small{AB}}}\\
%$\overset{\LARGE \frown}{\small{AB}}$  &  {\scriptsize $\backslash$overset\{$\backslash$frown\}\{AB\}}\\
$ /\!\! /$  &   / $\backslash$ ! $\backslash$ ! /\\
 $\overset{\large \rightharpoonup}{\small{AB}}$ & {\scriptsize
 $\backslash$overset\{$\backslash$large$\backslash$rightharpoonup\}\{$\backslash$small\{AB\}\} }
\end{tabular}

\end{frame}


\end{document}