diff --git a/docs/docs.pdf b/docs/docs.pdf
index d72f26e..d4a8cf1 100644
Binary files a/docs/docs.pdf and b/docs/docs.pdf differ
diff --git a/docs/parts/reference/math.tex b/docs/parts/reference/math.tex
index 8bd5791..8990b11 100644
--- a/docs/parts/reference/math.tex
+++ b/docs/parts/reference/math.tex
@@ -23,5 +23,7 @@ All these have to be executed in the math environment.
     \item \verb|\limsupni| Shortened limit superior notation for $n \rightarrow \infty$, $\displaystyle \limsupni$
     \item \verb|\der|\{\textit{math}\} Derivative, $\displaystyle \der{x}$
     \item \verb|\dern|\{\textit{math}\}\{\textit{math}\} Higher derivative, $\displaystyle \dern{x}{2}$
+    \item \verb|\elementstack|\{\textit{math}\}\{\textit{math}\} Stack two elements on top of eachother. Uses \verb|\genfrac| under the hood.
+          Can be used for example in limits as an alternative to \verb|\atop| or \verb|\substack|.
 \end{itemize}
 
diff --git a/main/math.tex b/main/math.tex
index ad06200..02a1018 100644
--- a/main/math.tex
+++ b/main/math.tex
@@ -39,6 +39,7 @@
 \newcommand{\limni}{\limit{n}{\infty}}
 \newcommand{\liminfni}{\liminf_{n \rightarrow \infty}}
 \newcommand{\limsupni}{\limsup_{n \rightarrow \infty}}
+\newcommand{\elementstack}[2]{\genfrac{}{}{0pt}{}{#1}{#2}}
 \DeclareMathOperator\arctanh{arctanh}
 \DeclareMathOperator\arccosh{arccosh}
 \DeclareMathOperator\arcsinh{arcsinh}