<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\pagestyle{empty}

%Accents:
\begin{displaymath}
  \widehat{bcd} \ \widetilde{efg} \ \dot A \ \mathbf{\dot A \check t} 
  \ \check{\mathcal{A}}
  % \check{\cal a}% at the moment, there is no lowercase calligraphic alphabet in Latin Modern Math
  \ \mathbf{\acute \imath}
\end{displaymath}

%Angle brackets:
\begin{displaymath}
  \langle a \rangle \left\langle \frac{a}{b} \right\rangle
  \left\langle \frac{\frac{a}{b}}{c} \right\rangle
\end{displaymath}

%Big operators:
\begin{displaymath}
  (x + a)^n = \sum_{k=0}^n {n \choose k} x^k a^{n-k}
\end{displaymath}

%%Horizontal brackets:
\begin{displaymath}
 \underbrace{\overbracket{aaaaaaa}}_\text{SiĂ©dĂ©m}
 \underbrace{\overparen{aaaaa}}_\text{piÄ™Ä‡}
\end{displaymath}

%Squares:
\begin{displaymath}
 \sqrt{\sqrt{\sqrt{\sqrt{\sqrt{\sqrt{2}}}}}} =
 \frac{\sqrt{\sqrt{\sqrt{\sqrt{\sqrt{\sqrt{\sqrt{\sqrt{2}}}}}}}}}{\frac{2}{3}}
\end{displaymath}

%Cardinal numbers
\begin{displaymath}
 \aleph_{0}&lt;2^{\aleph_0}&lt;2^{2^{\aleph_0}}
\end{displaymath}

%Powers
\begin{displaymath}
x^{\alpha} e^{\beta x^{\gamma} e^{\delta x^{\epsilon}}}
\end{displaymath}

%Integrals
\begin{displaymath}
 \oint_C\mathbf{F}\cdot d\mathbf{r}=\int_S\mathbf{\nabla}\times\mathbf{F}\cdot d\mathbf{S}\qquad
 \oint_C\vec{A}\cdot\vec{dr}=\iint_S(\nabla\times\vec{A})\,\vec{dS}
\end{displaymath}

%Sum
\begin{displaymath}
 (1+x)^n=1+\frac{nx}{1!}+\frac{n(n-1)x^2}{2!}+\cdots
\end{displaymath}

%Equations
\setlength\arraycolsep{0.15em}
\begin{eqnarray*}
 \int_{-\infty}^\infty e^{-x^2}dx &amp;=&amp; \left[\int_{-\infty}^\infty e^{-x^2}dx
  \int_{-\infty}^\infty e^{-y^2}dy\right]^{1/2}\\
 &amp;=&amp; \left[\int_{0}^{2\pi} \int_0^\infty e^{-r^2}r\,dr\,d\theta\right]^{1/2}\\
 &amp;=&amp; \left[\pi\int_{0}^\infty e^{-u}du\right]^{1/2}\\
 &amp;=&amp; \sqrt{\pi}
\end{eqnarray*}

\endinput
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