Test 1:

$$𝜋\left(𝑥\right)$$

Test 2:

$$\left|𝑥\right|=𝑥\text{ iff }𝑥\ge 0$$

Test 3:

$$\sin 𝑥$$

Test 4:

$$\mathrm{\Gamma }\text{ Γ}$$

Test 5:

$$+𝑖$$

Test 6:

$$\sum 𝑖$$

Test 7:

$$\forall 𝐴\in \mathrm{sl}\left(𝑛,\mathrm{𝔽}\right),\mathrm{Tr}𝐴=0$$

Test 8:

$$\frac{1}{2}$$

Test 9:

$$\sqrt{42}$$

Test 10:

$$\sqrt[5]{42}$$

Test 11:

$$\frac{\sqrt{2}}{\sqrt[3]{4}}+\sqrt[\frac{6}{7}]{5}+\sqrt{8-9}$$

Test 12:

$$\sqrt[3]{\sqrt{\frac{1}{2}}}$$

Test 13:

$$\left(\genfrac{}{}{0ex}{}{3}{2}\right)=3\ne \frac{3}{2}$$

Test 14:

$$\left(\genfrac{}{}{0ex}{}{3}{2,3,4}\right)$$

Test 15:

$${𝑥}_1$$

Test 16:

$${𝑥}^2$$

Test 17:

$${𝑥}_1^2$$

Test 18:

$${}_3{}^4𝑥$$

Test 19:

$${}_3{}^4𝑥_2^1$$

Test 20:

$${}_{}{}^4𝑥_{}^1$$

Test 21:

$${}_3{}^{}𝑥_2^{}$$

Test 22:

$$\sum _{𝑖=1}^{𝑛}{𝑎}_{𝑖}$$

Test 23:

$$\left(\begin{array}{c}𝑎\\ 𝑏\\ 𝑐\end{array}\right)$$

Test 24:

$$\left(\begin{array}{c}-1\\ 1\\ -1\end{array}\right)$$

Test 25:

$$\left(\begin{array}{c}𝑎\\ 𝑏\\ 𝑐\end{array}\right)$$

Test 26:

$$\left(\begin{array}{c}𝑎\\ 𝑏\\ 𝑐\end{array}\right)$$

Test 27:

$$\left(\begin{array}{c}𝑎\\ 𝑏\\ 𝑐\end{array}\right)$$

Test 28:

$$\left[\begin{array}{c}𝑎\\ 𝑏\\ 𝑐\end{array}\right]$$

Test 29:

$$\left[\begin{array}{c}𝑎\\ 𝑏\\ 𝑐\end{array}\right)$$

Test 30:

$$\left(\begin{array}{cccc}1& 2& \dots & 10\\ 2& 2& \dots & 10\\ ⋮& ⋮& \ddots & ⋮\\ 10& 10& \dots & 10\end{array}\right)$$

Test 31:

$$𝑓\left(𝑥\right)=\{\begin{array}{cc}-1& \text{ if }𝑥<0\\ 1& \text{ else}\end{array}$$

Test 32:

$$\begin{array}{cc}-1& \text{if }𝑥<0\\ 1& \text{else }\end{array}\}=𝑓\left(𝑥\right)$$

Test 33:

$$𝑓\left(𝑥\right)=(\begin{array}{cc}-1& \text{ if }𝑥<0\\ 1& \text{ else}\end{array}$$

Test 34:

$$\underset{\_}{123}\underbrace{123}\underbracket{123}\underset{⏝}{123}\undergroup{123}$$

Test 35:

$$\overline{123}\overbrace{123}\overbracket{123}\stackrel{⏜}{123}\overgroup{123}$$

Test 36:

$$\underset{456}{\underbrace{123}}\underset{456}{\underbracket{123}}\underset{456}{\underset{⏝}{123}}\underset{456}{\undergroup{123}}$$

Test 37:

$$\stackrel{456}{\overbrace{123}}\stackrel{456}{\overbracket{123}}\stackrel{456}{\stackrel{⏜}{123}}\stackrel{456}{\overgroup{123}}$$

Test 38:

$$\grave{𝑎}=\grave{𝑎}$$

Test 39:

$$\overrightarrow{𝑎}=\overrightarrow{𝑎}\wedge \widetilde{𝑎}=\widetilde{𝑎}$$

Test 40:

$${𝑎}_{𝑏}^{‴}={𝑎}_{𝑏}^{‴}$$

Test 41:

$$𝑎={𝑎}^{\prime }={𝑎}^{″}={𝑎}^{‴}={𝑎}^{\prime \prime \prime \prime }={𝑎}^{\prime \prime \prime \prime \prime }={𝑎}^{\prime \prime \prime \prime \prime \prime }$$

Test 42:

$$𝑥♥𝑦\wedge 𝑦♥5$$

Test 43:

$$𝑥𝑏𝑡𝑎$$

Test 44:

$$𝐻\stackrel{\text{ define }}{=}𝑈+𝑝𝑉$$

Test 45:

$$\tan 𝑥=\frac{\sin 𝑥}{\cos 𝑥}$$

Test 46:

$${\mathrm{custom}}_{𝑛\to \infty }𝑛$$

Test 47:

$$\text{ord}\left(𝐺\right)$$

Test 48:

$$\mathrm{Gal}\left(𝐿/𝐾\right)$$

Test 49:

$$𝔄$$

Test 50:

$$𝘈𝘉𝘊$$

Test 51:

$$𝔓$$

Test 52:

$$𝚡+𝚢=𝚣$$

Test 53:

$$𝕓$$

Test 54:

$$\mathbb{N}=\mathrm{\mathbb{N}}$$

Test 55:

$$𝑓:\mathrm{\mathbb{N}}\to \mathrm{ℝ}$$

Test 56:

$$𝒫$$

Test 57:${\sum }_{𝑖}\frac{{𝑥}_{𝑖}}{2}=\sum _{𝑖}\frac{{𝑥}_{𝑖}}{2}$
Test 58:

$$\sum _{𝑖}\frac{{𝑥}_{𝑖}}{2}={\sum }_{𝑖}\frac{{𝑥}_{𝑖}}{2}$$

Test 59:

$$\sum _{𝑖}\frac{{𝑥}_{𝑖}}{2}={\sum }_{𝑖}\frac{{𝑥}_{𝑖}}{2}$$

Test 60:

$$\sum _{𝑖}\frac{{𝑥}_{𝑖}}{2}={\sum }_{𝑖}\frac{{𝑥}_{𝑖}}{2}$$

Test 61:

$$\begin{array}{cc}𝑎& =\frac{1}{2}\\ \sum _{𝑖}& =3\end{array}$$

Test 62:

$$\begin{array}{cccc}\frac{3𝑥+𝑦}{7}& =9& & \text{ given }\\ 3𝑥+𝑦& =63& \text{ multiply by 7 }\\ 3𝑥& =63-𝑦& & \text{ subtract y }\\ 𝑥& =21-\frac{𝑦}{3}& \text{ divide by 3}\end{array}$$

Test 63:

$$\sum ^{̃}$$

Test 64:

$$\sqrt{2^3}=\sqrt{2^3}$$

Test 65:

$$\text{abc }≔\text{ 𝐚𝐛𝐜 }≔\text{ 𝑎𝑏𝑐 }≔\text{ abc}$$

Test 66:

$$𝐴≔𝑨≔𝐴≔\mathrm{A}$$

Test 67:

$$\mathrm{\Gamma }≔\mathrm{𝚪}≔𝛤≔\mathrm{\Gamma }$$

Test 68:

$$\int 𝑥\mathrm{d}𝑥$$

Test 69:

$$\int 𝑥\mathrm{D}𝑥$$

Test 70:

$$\{\begin{array}{cc}1& \text{if }\frac{𝑥\cdot 𝑦}{2}\le 0\\ 2& \text{if }𝑥\mid 2\\ 3& \text{if }𝑥\in \mathrm{\mathbb{N}}\\ 4& \text{else}\end{array}$$

Test 71:

$$\frac{\sqrt{𝑓}}{𝑓}\frac{\sqrt{{𝑓}^2}}{{𝑓}^2}\frac{\sqrt{{𝑓}^{\prime 2}}}{{𝑓}^{\prime 2}}\frac{\sqrt{{𝑓}_{𝑛}^{″2}}}{{𝑓}_{𝑛}^{″2}}$$

Test 72:

$$\begin{array}{c}{𝛼}_0+{𝛼}^1+{{𝛼}_0}_2\\ {{𝛼}^1}_2+{𝛼}_0^2+{{𝛼}^1}^2\\ {}_3{}^{}{𝛼}^1+{{}_3{}^{}{𝛼}^1}_2+{{}_3{}^{}{𝛼}^1}^2\end{array}$$

Test 73:

$$\frac{𝑎}{𝑏}]=𝑎=\{\frac{𝑎}{𝑏}$$

Test 74:

$$\left(\begin{array}{ccc}1& 0& 1\\ 0& 1& 2\end{array}\right)$$

Test 75:

$$\left(\begin{array}{cccc}1& 0& 0& 0\\ 0& 1& 0& 0\\ 0& 0& 1& 1\end{array}\right)$$

Test 76:

$$\left(\begin{array}{ccccc}11& 12& 13& 14& 15\\ 21& 22& 23& 24& 25\\ 31& 32& 33& 34& 35\\ 41& 42& 43& 44& 45\end{array}\right)$$

Test 77:

$$\left(\begin{array}{cccc}1& 0& 0& 0\\ 0& 1& 0& 0\\ 0& 0& 1& 1\end{array}\right)$$

Test 78:

$$\left(\begin{array}{ccc}1& 0& 1\\ 0& 1& 2\end{array}\right)$$

Test 79:

$$\left(\begin{array}{ccc}0& 0& 0\\ 1& 1& 1\end{array}\right)$$

Test 80:

$$\left\{𝑥\left|\sum _{𝑖=1}^{𝑛}\right|{𝑓}_{𝑖}\left(𝑥\right)<1\right\}$$

Test 81:

$$\left[𝑎\right]$$

Test 82:

$$\begin{array}{ccc}𝑎& =𝑐+1& \text{ Some longer text }\\ & =𝑑+100\\ & =𝑥& & 1\end{array}$$