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\usetypescriptfile[type-xits]
\usetypescript[xits]
\setupbodyfont[xits]
\setuplayout[header=0pt,footer=0pt]
\starttext
\midaligned{$\bfd\frak XITS\ Math$}\blank[4*big]
\startformula
\pi(n) = \sum^{n}_{m=2}\left\lfloor\biggl(\sum^{m-1}_{k=1}\bigl\lfloor(m/k)\big/\lceil m/k\rceil\bigr\rfloor\biggr)^{-1}\right\rfloor
\stopformula
\startformula
\pi(n) = \sum^{n}_{k=2}\left\lfloor\phi(k) \over k-1\right\rfloor
\stopformula
\startformula
1+\left(1\over1-x^2\right)^3
\stopformula
\startformula
1+\left(1\over1-{{{x^2}\over{y^3}}\over{z^4}}\right)^3
\stopformula
\startformula
{a+1\over b}\bigg/{c+1\over d}
\stopformula
\startformula
\biggl({\partial^{2} \over \partial x^{2}} + {\partial^{2} \over \partial y^{2}}\biggr) {\bigl\vert\phi(x+iy)\bigr\vert}^2
\stopformula
\startformula
\sum_{\scriptstyle0\le i\le m\atop\scriptstyle0<j<n}P(i,j)
\stopformula
\startformula
\int_0^3 9x^2 + 2x + 4\, dx = 3x^3 + x^2 + 4x + C \Big]_0^3 = 102
\stopformula
\startformula
e^{x+iy} = e^x(\cos y + i\sin y)
\stopformula
\startformula
x = {-b \pm \sqrt{b^2 - 4ac} \over 2a}
\stopformula
\startformula
f(x) =
\startmathcases
\NC x, \MC \text{if } 0 \le x \le \frac12 \NR
\NC 1-x ,\MC \text{if } \frac12 \le x \le 1 \NR
\stopmathcases
\stopformula
\startformula
\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+\sqrt{1+x}}}}}}}
\stopformula
\stoptext
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