intermediate version for hack.lu
[ach-master.git] / presentations / HACK.LU-2014 / presentation / common / system.tex
index bc0a1b9..3528098 100644 (file)
@@ -5,6 +5,9 @@
 % Document Encoding. important.
 \usepackage[utf8]{inputenc}
 
+% maths
+\usepackage{amsmath}
+
 % changes font encoding to T1
 \usepackage[T1]{fontenc}
 \usepackage{textcomp}