Things I use for making my life easier using LaTeX

few-macros.tex

% OWN macros
% vereinfacht den Befehl \texttt
\newcommand{\tttt}[1]{\texttt{#1}}
% vereinfacht den Befehl \textbf
\newcommand{\ttf}[1]{\textbf{#1}}
% vereinfacht den Befehl \textbf
\newcommand{\ttsl}[1]{\textsl{#1}}

\newcommand{\ttsf}[1]{\textsf{#1}}
% underline
% \newcommand{\ul}[1]{\underline{#1}}


%math mode
\newcommand{\mbf}[1]{\mathbf{#1}}


\newif\ifstartedinmathmode

\newcommand{\tf}[1]{%
	\ifstartedinmathmode \mbf{#1} \else \ttf{#1}\fi%
}

\newcommand{\tsl}[1]{%
	\ifstartedinmathmode \mathit{#1} \else \ttsl{#1}\fi%
}

\newcommand{\ttt}[1]{%
	\ifstartedinmathmode \mathtt{#1} \else \tttt{#1}\fi%
}

\newcommand{\tsf}[1]{%
	\ifstartedinmathmode \mathsf{#1} \else \ttsf{#1}\fi%
}


% shorthand for element in (...)
\newcommand{\eIn}[1]{\in \mathbb{#1}}
% short for this fancy mathematical letters
\newcommand{\mc}[1]{\mathcal{#1}}
\newcommand{\mb}[1]{\mathbb{#1}}

% shorthand for wraping text in set brackets
\newcommand{\wpbr}[1]{\{#1\}}
\newcommand{\curly}[1]{\left\{#1\right\}}
\newcommand{\round}[1]{\left(#1\right)}

\newcommand{\N}{\mathbb{N}}
\newcommand{\Z}{\mathbb{Z}}
\newcommand{\R}{\mathbb{R}}

% shorthand for element in (...)
\newcommand{\eN}[0]{\in \mathbb{N}}
\newcommand{\eZ}[0]{\in \mathbb{Z}}
\newcommand{\eQ}[0]{\in \mathbb{Q}}
\newcommand{\eR}[0]{\in \mathbb{R}}
\newcommand{\eI}[0]{\in \mathbb{I}}