\frac{\tfrac{\mathrm{d}t \frac{\mathrm{d} y}{\mathrm{d} x} \partial t \frac{\partial y}{\partial x} \nabla\psi \frac{\partial^2}{\partial x_1\partial x_2}y \cfrac{1}{a + \cfrac{7}{b + \cfrac{2}{9}}} =c \begin{equation} x = a_0 + \cfrac{1}{a_1 + \cfrac{1}{a_2 + \cfrac{1}{a_3 + \cfrac{1}{a_4} } } } \end{equation}}{} \dot{\ddot{{{{a \bmod b a \equiv b \pmod{m} \gcd(m, n) \operatorname{lcm}(m, n) \sqrt{\sqrt[]{^{_{_{_{\sideset{_1^2}{_3^4}X_a^b \hat{\check{\grave{\acute{\tilde{\breve{\bar{\vec{\not{\widetilde{\widehat{\overleftarrow{\overrightarrow{\overline{\underline{\overbrace{\underbrace{\overset{}{\underset{}{\stackrel\frown{\overline{\overleftrightarrow{\overset{\overset{\xleftarrow[]{\xrightarrow[]{\lim \lim_{x \to 0} \lim_{x \to \infty} \textstyle \lim_{x \to 0} \max_{\min_{\log_{}{\lg_{}{\ln_{}{\exp \min x \max y \min x \sup t \inf s \lim u \limsup w \liminf v \dim p \ker\phi \sin \cos \tan \cot \sec \csc \sin^{-1} \cos^{-1} \tan^{-1} \cot^{-1} \sec^{-1} \csc^{-1} \arcsin \arccos \arctan \operatorname{arccot} \operatorname{arcsec} \operatorname{arccsc} \sinh \cosh \tanh \coth \operatorname{sech} \operatorname{csch} \sinh^{-1} \cosh^{-1} \tanh^{-1} \coth^{-1} \operatorname{sech}^{-1} \operatorname{csch}^{-1} \int \int_{\int\limits_{\iint \iint_{\iint\limits_{\iiint \iiint_{\iiint\limits_{\oint \oint_{\sum \sum_{ {\textstyle \sum_{\prod \prod_{\coprod {\textstyle \prod_{\coprod_{ {\textstyle \coprod_{\bigcup \bigcup_{ {\textstyle \bigcup_{\bigcap \bigcap_{ {\textstyle \bigcap_{\bigvee \bigvee_{ {\textstyle \bigvee_{\bigwedge \bigwedge_{ {\textstyle \bigwedge_{}^{}} }^{} }^{}} }^{} }^{}} }^{} }^{}} }^{} }^{}} }^{} }^{}} }^{} }^{}} }^{} }^{} }^{} }^{} }^{} }^{} }^{} }^{} } } } } } } } }{\rightarrow} }{\leftarrow} } } } } } } } } } } } } } ^{\circ} } } } } } } } } } }^{} }^{} } } } } }^{(n)} }'' }' } } }{}