Input:	""
Output:	$$$$
Input:	" a"
Output:	$$a$$
Input:	" a"
Output:	$$a$$
Input:	"(\hat{x}) = {(\hat{x}})"
Output:	$$(\hat{x})=(\hat{x})$$
Input:	","
Output:	$$,$$
Input:	",\,\,,,\,"
Output:	$$,,,$$
Input:	"-1"
Output:	$$-1$$
Input:	"-\infty"
Output:	$$-\mathrm{\infty }$$
Input:	"-\log(1 - X)/\lambda"
Output:	$$-\log (1-X)/\lambda$$
Input:	"-x"
Output:	$$-x$$
Input:	"100!"
Output:	$$100!$$
Input:	"F(x) = \Pr(X \leq x)\ \text{for}\ -\infinity < x < \infinity"
Output:	$$F(x)=\mathrm{Pr}(X\le x)\text{for}-\mathrm{\infty }<x<\mathrm{\infty }$$
Input:	"G(y) = \left\{\array{ 1 - e^{-\lambda y} & \text{ if } y \geq 0 \\ 0 & \text{ if } y < 0 }\right."
Output:	$$G(y)=\{\begin{array}{cc}1-e^{-\lambda y}& \text{if}y\ge 0\\ 0& \text{if}y<0\end{array}$$
Input:	"G^{-1}(x) = -\log(1 - x)/\lambda\text{ if } 0 < x < 1."
Output:	$$G^{-1}(x)=-\log (1-x)/\lambda \text{if}0<x<1.$$
Input:	"P(x) = P^*(x)/Z"
Output:	$$P(x)=P^{*}(x)/Z$$
Input:	"\ -\infty"
Output:	$$-\mathrm{\infty }$$
Input:	"\,"
Output:	$$$$
Input:	"\Pr(a < X \leq b) = \int_a^b f(x)\ dx"
Output:	$$\mathrm{Pr}(a<X\le b)={\int }_a^{b}f(x)dx$$
Input:	"\alpha"
Output:	$$\alpha$$
Input:	"\alpha + b + c"
Output:	$$\alpha +b+c$$
Input:	"\alpha - x"
Output:	$$\alpha -x$$
Input:	"\array{ \colspan{3} (1,1) \text{ to } (1,3) & (1,4) \\ (2,1) & (2,2) & (2,3) & (2,4) }"
Output:	$$\begin{array}{cccc}\multicolumn{3}{c}{(1,1)\text{to}(1,3)}& (1,4)\\ (2,1)& (2,2)& (2,3)& (2,4)\end{array}$$
Input:	"\array{ (1,1) & \rowspan{2} \int dx & (1,3) \\ (2,1) & (2,3) \\ (3,1) & (3,2) & (3,3) }"
Output:	$$\begin{array}{ccc}(1,1)& \int dx& (1,3)\\ (2,1)& (2,3)\\ (3,1)& (3,2)& (3,3)\end{array}$$
Input:	"\array{ \arrayopts{\colalign{left center right}} a & b & c \\ 100000 & 100000 & 10000}"
Output:	$$\begin{array}{lcr}a& b& c\\ 100000& 100000& 10000\end{array}$$
Input:	"\array{ \arrayopts{\colalign{left}} a & b & c \\ 100000 & 100000 & 10000}"
Output:	$$\begin{array}{lll}a& b& c\\ 100000& 100000& 10000\end{array}$$
Input:	"\array{ \arrayopts{\rowalign{top center bottom}} \binom{\alpha}{\omega} & a & b \\ \frac{3}{4} & c & d \\ \int_0^1 & e & f}"
Output:	$$\begin{array}{ccc}\genfrac{}{}{0ex}{}{\alpha }{\omega }& a& b\\ \frac{3}{4}& c& d\\ {\int }_0^1& e& f\end{array}$$
Input:	"\array{ \arrayopts{\rowalign{top}} \binom{\alpha}{\omega} & a & b \\ \frac{3}{4} & c & d \\ \int_0^1 & e & f}"
Output:	$$\begin{array}{ccc}\genfrac{}{}{0ex}{}{\alpha }{\omega }& a& b\\ \frac{3}{4}& c& d\\ {\int }_0^1& e& f\end{array}$$
Input:	"\array{1 & 0 \\ 0 & 1}"
Output:	$$\begin{array}{cc}1& 0\\ 0& 1\end{array}$$
Input:	"\array{1 & 0 \\ 0 & 1}"
Output:	$$\begin{array}{cc}1& 0\\ 0& 1\end{array}$$
Input:	"\array{1 & 0}"
Output:	$$\begin{array}{cc}1& 0\end{array}$$
Input:	"\array{1}"
Output:	$$\begin{array}{c}1\end{array}$$
Input:	"\array{\arrayopts{\collines{solid}} a}"
Output:	$$\begin{array}{c}a\end{array}$$
Input:	"\array{\arrayopts{\equalcols{true}} a}"
Output:	$$\begin{array}{c}a\end{array}$$
Input:	"\array{\arrayopts{\equalrows{true}} a}"
Output:	$$\begin{array}{c}a\end{array}$$
Input:	"\array{\arrayopts{\frame{solid}} a}"
Output:	$$\begin{array}{|c|}\hline a\\ \hline\end{array}$$
Input:	"\array{\arrayopts{\padding{20}} a & b & c \\ d & e & f \\ \alpha & \beta & \gamma}"
Output:	$$\begin{array}{ccc}a& b& c\\ d& e& f\\ \alpha & \beta & \gamma \end{array}$$
Input:	"\array{\arrayopts{\rowlines{solid}} a}"
Output:	$$\begin{array}{c}a\end{array}$$
Input:	"\array{\cellopts{\colspan{2}} a \\ b & c}"
Output:	$$\begin{array}{cc}\multicolumn{2}{c}{a}\\ b& c\end{array}$$
Input:	"\array{\cellopts{\rowspan{2}} a & b \\ c}"
Output:	$$\begin{array}{cc}a& b\\ c\end{array}$$
Input:	"\array{\colspan{2} a \\ b & c}"
Output:	$$\begin{array}{cc}\multicolumn{2}{c}{a}\\ b& c\end{array}$$
Input:	"\array{\rowspan{2} a & b \\ c}"
Output:	$$\begin{array}{cc}a& b\\ c\end{array}$$
Input:	"\bar{x}"
Output:	$$\bar{x}$$
Input:	"\binom{x}{2}"
Output:	$$\genfrac{}{}{0ex}{}{x}{2}$$
Input:	"\check{x}"
Output:	$$\overline{x}$$
Input:	"\ddot{x}"
Output:	$$\ddot{x}$$
Input:	"\dot{x}"
Output:	$$\dot{x}$$
Input:	"\forall x\,x<0"
Output:	$$\forall xx<0$$
Input:	"\frac{1}{2}"
Output:	$$\frac{1}{2}$$
Input:	"\frac{1}{N} \sum_r \phi({x^{(r)}})"
Output:	$$\frac{1}{N}{\sum }_r\phi (x^{(r)})$$
Input:	"\frac{\sum_r w_r \phi({x^{(r)}})}{\sum_r w_r}"
Output:	$$\frac{{\sum }_r{w}_r\phi (x^{(r)})}{{\sum }_r{w}_r}$$
Input:	"\frac{{N-x}}{2}"
Output:	$$\frac{N-x}{2}$$
Input:	"\hat{x}"
Output:	$$\hat{x}$$
Input:	"\int_x f(x)\ dx"
Output:	$${\int }_{x}f(x)dx$$
Input:	"\int_{-\infinity}^\infinity f(x)\ dx = 1"
Output:	$${\int }_{-\mathrm{\infty }}^{\mathrm{\infty }}f(x)dx=1$$
Input:	"\left ( \binom{2}{3} \right )"
Output:	$$\left(\genfrac{}{}{0ex}{}{2}{3}\right)$$
Input:	"\left ( \frac{2}{4+x} \right )^3"
Output:	$${\left(\frac{2}{4+x}\right)}^3$$
Input:	"\left ( x \right"
Output:	$$(x$$
Input:	"\left ( x \right )"
Output:	$$\left(x\right)$$
Input:	"\left ( x \right + 3"
Output:	$$(x+3$$
Input:	"\left \frac{x}{y} \right|_{x=0}"
Output:	$${\frac{x}{y}|}_{x=0}$$
Input:	"\left \{ x \right \}"
Output:	$$\left\{x\right\}$$
Input:	"\lim_3"
Output:	$${\lim }_3$$
Input:	"\lim_{x\to\infty}f(x)=0"
Output:	$${\lim }_{x\to \mathrm{\infty }}f(x)=0$$
Input:	"\ln x"
Output:	$$\ln x$$
Input:	"\mathbb{Hello}"
Output:	$$\mathrm{ℍ𝕖𝕝𝕝𝕠}$$
Input:	"\mathcal{Hello}"
Output:	$$\mathrm{\mathscr{H}ℯ𝓁𝓁ℴ}$$
Input:	"\mathop{monkey} < b"
Output:	$$monkey<b$$
Input:	"\overset{\text{n terms}}{\overbrace{1+2+\cdots+n}}"
Output:	$$\stackrel{\text{n terms}}{\overbrace{1+2+\cdots +n}}$$
Input:	"\root{3}{x+y}"
Output:	$$\sqrt[3]{x+y}$$
Input:	"\sqrt{i}"
Output:	$$\sqrt{i}$$
Input:	"\sum_{n=1}^\infty \frac{(-1)^n}{n} = \ln 2"
Output:	$${\sum }_{n=1}^{\mathrm{\infty }}\frac{(-1{)}^n}{n}=\ln 2$$
Input:	"\sum_{n=1}^\infty \frac{1}{n} \text{ is divergent, but } \lim_{n \to \infty} \sum_{i=1}^n \frac{1}{i} - \ln n \text{ exists.}"
Output:	$${\sum }_{n=1}^{\mathrm{\infty }}\frac{1}{n}\text{is divergent, but}{\lim }_{n\to \mathrm{\infty }}{\sum }_{i=1}^n\frac{1}{i}-\ln n\text{exists.}$$
Input:	"\text{ if }"
Output:	$$\text{if}$$
Input:	"\text{for}\ -\infty"
Output:	$$\text{for}-\mathrm{\infty }$$
Input:	"\text{if \alpha}"
Output:	$$\text{if alpha}$$
Input:	"\text{if}"
Output:	$$\text{if}$$
Input:	"\underoverset{S}{\alpha}{x=\infty}"
Output:	$$\underset{S}{\overset{\alpha }{x=\mathrm{\infty }}}$$
Input:	"\vec{x}"
Output:	$$\stackrel{\rightharpoonup }{x}$$
Input:	"a < b"
Output:	$$a<b$$
Input:	"a = -3"
Output:	$$a=-3$$
Input:	"a ^ b"
Output:	$$a^b$$
Input:	"a+3"
Output:	$$a+3$$
Input:	"a-b"
Output:	$$a-b$$
Input:	"a=-b"
Output:	$$a=-b$$
Input:	"a\in S"
Output:	$$a\in S$$
Input:	"a\mathbb{GOAT}"
Output:	$$a\mathrm{𝔾𝕆𝔸𝕋}$$
Input:	"a\text{ if a fd ew s }b"
Output:	$$a\text{if a fd ew s}b$$
Input:	"a\text{ if }b"
Output:	$$a\text{if}b$$
Input:	"a\text{ if}b"
Output:	$$a\text{if}b$$
Input:	"a\text{if }b"
Output:	$$a\text{if}b$$
Input:	"a\text{if}b"
Output:	$$a\text{if}b$$
Input:	"a^b"
Output:	$$a^b$$
Input:	"a^b_c"
Output:	$$a_c^b$$
Input:	"a^{b_c} < a^b_c"
Output:	$$a^{b_c}<a_c^b$$
Input:	"a_b"
Output:	$$a_b$$
Input:	"if"
Output:	$$if$$
Input:	"w_r \equiv \frac{P^*({x^{(r)}})}{Q^*({x^{(r)}})}."
Output:	$$w_r\equiv \frac{P^{*}(x^{(r)})}{Q^{*}(x^{(r)})}.$$
Input:	"x"
Output:	$$x$$
Input:	"x + - x"
Output:	$$x+-x$$
Input:	"x - x"
Output:	$$x-x$$
Input:	"x--x"
Output:	$$x--x$$
Input:	"x\textstyle{\int_0^1}\displaystyle{\int_0^1}y"
Output:	$$x{\int }_0^1{\displaystyle {\int }_0^1}y$$
Input:	"{E_\theta\left[\hat{\theta}\right]}"
Output:	$$E_{\theta }\left[\hat{\theta }\right]$$
Input:	"{\frac{\alpha-\delta}{\beta-\gamma}}"
Output:	$$\frac{\alpha -\delta }{\beta -\gamma }$$
Input:	"{\frac{\alpha-{\mathbb{GOAT}}}{\beta-{{\mathbb{GOAT}}-x}}}"
Output:	$$\frac{\alpha -\mathrm{𝔾𝕆𝔸𝕋}}{\beta -\mathrm{𝔾𝕆𝔸𝕋}-x}$$
Input:	"{\mathbb{GOAT}}_3"
Output:	$${\mathrm{𝔾𝕆𝔸𝕋}}_3$$
Input:	"{x}"
Output:	$$x$$
Input:	"{y-x}"
Output:	$$y-x$$
Input:	"{{N-x}-x}"
Output:	$$N-x-x$$
Input:	"{{{N-x}-x}-x}"
Output:	$$N-x-x-x$$