diff --git a/doc/math/mathop/.latexmkrc b/doc/math/mathop/.latexmkrc
new file mode 100644
index 0000000..4c81cd6
--- /dev/null
+++ b/doc/math/mathop/.latexmkrc
@@ -0,0 +1,4 @@
+$makeindex = "makeindex -s gind.ist %O -o %D %S";
+$clean_ext .= ' glo';
+$clean_ext .= ' hd';
+$clean_ext .= ' ins';
diff --git a/doc/math/mathop/Makefile b/doc/math/mathop/Makefile
new file mode 100644
index 0000000..e174370
--- /dev/null
+++ b/doc/math/mathop/Makefile
@@ -0,0 +1,8 @@
+doc:
+	latexmk
+
+full:
+	latexmk -gg
+
+clean:
+	latexmk -C
diff --git a/doc/math/mathop/mathop.tex b/doc/math/mathop/mathop.tex
new file mode 100644
index 0000000..05a437f
--- /dev/null
+++ b/doc/math/mathop/mathop.tex
@@ -0,0 +1,140 @@
+\documentclass[full]{l3doc}
+
+\title{The \pkg{mkessler-mathop} package}
+\author{Maximilian Keßler}
+
+\usepackage{mkessler-mathop}
+
+\begin{document}
+
+\maketitle
+
+\begin{abstract}
+  This package provides common math operators.
+
+  It is certainly based on the authors opinion and use cases and might not
+  fulfill your personal needs.
+  It is, however, still aimed to be reasonably general to a broader userbase.
+\end{abstract}
+
+\begin{documentation}
+
+\section{General macros}
+
+\begin{function}{\DeclareSimpleMathOperator}
+  \begin{syntax}
+    \cs{DeclareSimpleMathOperator}\marg{operator}
+  \end{syntax}
+  This is similar to the \cs{DeclareMathOperator} macro of \pkg{mathtools},
+  but only accepts one argument.
+  The operator expansion is the operator name itself.
+\end{function}
+
+\begin{function}{\DeclareDistribution}
+  Currently same as \cs{DeclareSimpleMathOperator},
+  existent for semantical reasons and possible future change of
+  layouting of stochastical distributions.
+\end{function}
+
+\section{Special symbols}
+
+In this section we describe all math operators that are not of textual nature.
+
+\begin{function}{\tensor}
+  Alias for \cs{otimes}.
+\end{function}
+
+\begin{function}{\twedge, \tsmash}
+  The \enquote{t} stands for \enquote{topological}.
+  These are to avoid confusion between the standard latex \cs{wedge},
+  which gives $\wedge$,
+  although in topology,
+  the symbol  $\twedge$ is called a \enquote{wedge}
+  and  $\tsmash$ denotes the \enquote{smash product}.
+\end{function}
+
+
+\begin{function}{\cfun, \One}
+  Characteristic function symbol.
+  Comes from \pkg{bbm} and denotes \enquote{\cs{mathbbm}\{1\}}.
+\end{function}
+
+\begin{function}{\suchthat}
+  gives a scaling \enquote{$\left.\suchthat\right.$} symbol used in set-definitions.
+  Has to be in a \enquote{\cs{left} \ldots\cs{right}} block to
+  scale properly.
+\end{function}
+
+\begin{function}{\ceil, \floor}
+  \begin{syntax}
+    \cs{ceil}\marg{args}
+  \end{syntax}
+  Denotes the standard mathematical ceil and floor functions.
+\end{function}
+
+
+\begin{function}{\abs, \abs*}
+  \begin{syntax}
+    \cs{abs}*\marg{args}
+  \end{syntax}
+  Denotes the absolute value of an expression.
+  The bars scale by default, the starred variant does not scale.
+\end{function}
+
+\begin{function}{\norm}
+  \begin{syntax}
+    \cs{norm}*\marg{args}
+  \end{syntax}
+  Norm of an expression. The starred variant does not scale.
+\end{function}
+  
+
+\begin{function}{\amalgprod}
+  Denotes an amalgamatic product.
+\end{function}
+
+\begin{function}{\ab, \op}
+  Give a textual representation of themselves.
+\end{function}
+
+\begin{function}{\opposite}
+  \begin{syntax}
+    \meta{structure}\cs{opposite}
+  \end{syntax}
+  Denotes the opposite of some mathematical object.
+\end{function}
+
+\begin{function}{\abelianization}
+  Denotes the abelianization of a group object.
+\end{function}
+
+\begin{function}{\directlimit, \inverselimit}
+  Semantical synonyms for \cs{varinjlim} and \cs{varprojlim}.
+\end{function}
+
+
+\begin{function}{\frestriction}
+  \begin{syntax}
+    \cs{frestriction}\marg{function}\marg{domain}
+  \end{syntax}
+  Properly denotes function restriction with adequate spacing.
+\end{function}
+
+
+
+\section{Simple operators}
+
+The vast majority of this package is simple operators such as \cs{id},
+which expands to $\id$.
+These are for now not documented, search the source code for
+\cs{DeclareSimpleMath\allowbreak Operator} if you need to know.
+
+
+\section{TODO}
+proper language support with \pkg{translator}
+
+
+\end{documentation}
+\PrintIndex
+  
+\end{document}