diff --git a/macros.tex b/macros.tex
index 529964c..b9f5f91 100644
--- a/macros.tex
+++ b/macros.tex
@@ -4,6 +4,8 @@
 \newcommand{\softwarepackage}[1]{\texttt{#1}}
 \newcommand{\setminus}{ ∖ }
 \newcommand{\textemdash}{ — }
+\newcommand{\big}{}
+\newcommand{\binom}[2]{C_{#1,#2}}
 \newcommand{\text}[1]{\textrm{#1}}
 %%% Local Variables:
 %%% mode: latex