From: Michael Orlitzky <michael@orlitzky.com>
Date: Mon, 6 Jun 2016 02:27:01 +0000 (-0400)
Subject: Add a \factorial command.
X-Git-Tag: posZ-submitted-laa~31
X-Git-Url: https://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=2b6f9aa58154ba0d7d25a94f7f74674139b5ac92;p=mjotex.git

Add a \factorial command.
---

diff --git a/mjo-common.tex b/mjo-common.tex
index e19d788..408ca33 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -29,6 +29,9 @@
 % The Cartesian product of three things.
 \providecommand*{\cartprodthree}[3]{ \cartprod{{#1}}{\cartprod{{#2}}{{#3}}} }
 
+% The factorial operator.
+\providecommand*{\factorial}[1]{ {#1}! }
+
 %
 % Product spaces
 %