Hier ein kleines Beispiel mit LaTeX.

When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are \[x_{1,2} = {-b \pm \sqrt{b^2-4ac} \over 2a}\]

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 $\frac{1}{2}$

 \({1+1}\over{2}\)

$\pi$

$\mathrm{e}^2$

$\sum$

$\alpha$ 

${A}\cup{B}$

ℕ

$\mathbb{N} = {\{1,2,3,4,.....\infty}\}$

$\mathbb{Z} = {\{-\infty....,-3,-2,-1,1,2,3,4,.....\infty}\}$

$$ \begin{array}{c|lcr} n & \text{left} & \text{center} & \text{right}\\ \hline 1 & 0,24 & 1 & 125\\ 2 & -1 & 189 & -8\\ 3 & -20 & 2000 & 1 + 10i\\ \end{array} $$

$\sum_{i=0}^n i^2 = \frac{(n^2+n)(2n+1)}{6}$ 

$\mathrm{MMXVII}$

Tabels:\\

\begin{tabular}{cccccc}

\end{tabular}

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Also in diesem Sinne dranbleiben und bekanntlich "macht Übung den Meister, oder?".