# LaTeX formulas in posts - I don't get it...

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Posted (edited)

Hi there!

I tried to add LaTeX formulas as described in this post:

I tried several ways, but I always get just plain LaTeX code in the preview and my final post. I also tried the equation button. Here some examples of my failures:

$$\frac{a}{b^2}$$

$\frac{a}{b^2}$

[eqn]\frac{a}{b^2}[\eqn]

$$\frac{a}{b^2}$$

I saw other people using LaTeX formulas here. So what am I doing wrong?

Greetings

EDIT: Okay... obviously the preview does not recognize Latex commands and the

$$...$$

command is the solution... -.- Thread can be closed.

Maybe the linked sticky should be updated and inform people that the preview does not show the result.

Greetings

Edited by DerTroll

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Posted (edited)

Don't mind me just testing

[EDIT] I don't understand how this works  Nothing I try works

$$F(s) = \int_{0^+}^{\infty} f(t)e^{-st}\,dt$$

$$e^x=\sum_{n=0}^{\infty}\frac{x^n}{n!}$$

$$\begin{pmatrix} a_x\\a_y\\a_z\\a_w\end{pmatrix} = \begin{pmatrix} s_x&0&0&t_x \\ 0&s_y&0&t_y \\ 0&0&s_z&t_z \\ 0&0&0&1\end{pmatrix}\cdot\begin{pmatrix}b_x\\b_y\\b_z\\b_w\end{pmatrix}$$

$$\int_{\int_{\int_{\int_{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}^{\int_{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}}^{\int_{\int_{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_ {\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}^{\int_{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}}}^{\int_{\int_{\int_{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{} ^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}^{\int_{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}}^{\int_{\int_{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}^{\int_{\int_{\int_{\int_{}^ {}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}^{\int_{\int_{\int_{}^{}}^{\int_{}^{}}}^{\int_{\int_{}^{}}^{\int_{}^{}}}}}}}$$

Edited by TheComet

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Posted (edited)

TEST $$\sqrt{(F{_{x}})^{2}+(F{_{y}})^{2}}$$ TEST.

TEST $$f(x) = x$$ TEST.

TEST $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$$ TEST.

$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$

$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$$

It doesn't show the correct formatting until you view it in a new tab or refresh the page. It's not just the edit window.

Edited by fleabay

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