diff --git a/docs/example-tbe.tex b/docs/example-tbe.tex
index c6903351..ae842794 100644
--- a/docs/example-tbe.tex
+++ b/docs/example-tbe.tex
@@ -24,6 +24,10 @@
 \newcommand{\DAVPZ}{d-\emph{aug}-cc-pV5Z}
 \newcommand{\PopleDZ}{6-31+G(d)}
 
+% greek shortcut
+\newcommand{\pis}{\pi^\star}
+\newcommand{\Ryd}{\mathrm{R}}
+
 \begin{tabular}{llcccccc}
         &		&	&		& TBE(FC)&  \multicolumn{3}{c}{Corrected TBE} \\
         & State	 & $f$ & \%$T_1$ & 	AVTZ	& Method & Corr.	& Value \\
diff --git a/docs/example.tex b/docs/example.tex
index d4e0b980..ded690d9 100644
--- a/docs/example.tex
+++ b/docs/example.tex
@@ -24,6 +24,10 @@
 \newcommand{\DAVPZ}{d-\emph{aug}-cc-pV5Z}
 \newcommand{\PopleDZ}{6-31+G(d)}
 
+% greek shortcut
+\newcommand{\pis}{\pi^\star}
+\newcommand{\Ryd}{\mathrm{R}}
+
   \begin{tabular}{l|p{.6cm}p{1.1cm}p{1.4cm}p{1.7cm}p{.9cm}|p{.6cm}p{1.1cm}p{1.4cm}p{.9cm}|p{.6cm}p{1.1cm}p{.9cm}|p{.7cm}p{.7cm}p{.7cm}}
  
 		 \multicolumn{16}{c}{Dinitrogen}\\
diff --git a/docs/example2.tex b/docs/example2.tex
index 4efeef9f..a3d5a7c7 100644
--- a/docs/example2.tex
+++ b/docs/example2.tex
@@ -24,6 +24,10 @@
 \newcommand{\DAVPZ}{d-\emph{aug}-cc-pV5Z}
 \newcommand{\PopleDZ}{6-31+G(d)}
 
+% greek shortcut
+\newcommand{\pis}{\pi^\star}
+\newcommand{\Ryd}{\mathrm{R}}
+
 \begin{tabular}{ll|ccc|ccc|cc}
         &		& \multicolumn{3}{c}{\AVDZ} & \multicolumn{3}{c}{\AVTZ} & \multicolumn{2}{c}{Litt.}\\
   Molecule &State 	& {\CC{3}} & {\CCSDT}  &  {\exCI} & {\CC{3}} & {\CCSDT}  & {\exCI}& Exp. & Theo. \\