,----
| Org-mode version 8.3.1 (release_8.3.1-283-gf6187d @ /Users/rainerkrug/.emacs.d/org-mode/lisp/)
| GNU Emacs 25.0.50.1 (x86_64-apple-darwin14.5.0, NS appkit-1348.17 Version 10.10.5 (Build 14F27)) of 2015-09-29
`----

to make sure, I emptied the ltxpng folder - still the same.

Could somebody confirm this or give me an idea how I can debug this?

Rainer

>
> For me the following org file works as expected -- also with
> previewing the equation.
>
> #+LaTeX_header: \usepackage{amsmath} %% needed explicitely for org-preview-latex
>
>
> * Test align
>
> \begin{align}
> (x+y)^3&=(x+y)(x+y)^2\\
>        &=(x+y)(x^2+2xy+y^2)\\
>        &=x^3+3x^2y+3xy^3+x^3.\qedhere
> \end{align}
>
> I do not seem to have any special setup for previewing latex,
> though...
>
> Sorry to be of no further help.
>
> Regards,
> Andreas
>
>


Footnotes: 
[1]  https://www.dropbox.com/s/z41qyzwakx9yby0/Screenshot.png?dl=0

-- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

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