Template:Demo of attempt to use parameters within TeX

$1 + a b c$

$C U R R E N T D A Y C U R R E N T D A Y$

$t c t c$

$\frac{a}{b} = e^3$

$\frac{a^2+b^2}{a-b} = a+b$

$y = m x + c$

$\sqrt{X}$

$e^{i \pi} \cdot \sin {\cfrac {3 \cdot pi} {2}} \cdot 2.56 \cdot 10^{-44} \cfrac {W \cdot Fortnight \cdot millenium} {\tfrac {eV} {c}}$

Here, the LaTeX expression $x\in A\iff x\in B$ is embedded within a line.