1 files changed, 7 insertions, 0 deletions
diff --git a/doc/pdi.tex b/doc/pdi.tex
index 153c80f..9ce98ea 100644
--- a/doc/pdi.tex
+++ b/doc/pdi.tex
@@ -13,10 +13,12 @@
 % file encoding and language
 \usepackage[utf8]{inputenc}
 \usepackage[english,italian]{babel}
+
 % \usepackage{lmodern}
 \usepackage[scaled]{helvet}
 \renewcommand\familydefault{\sfdefault} 
 %\usepackage[helvet]{sfmath}
+
 \usepackage[T1]{fontenc}
 
 % page layout
@@ -30,6 +32,11 @@
 \usepackage{caption}
 \usepackage{subcaption}
 \usepackage{float}
+\usepackage{csvsimple}
+
+% math
+\usepackage{amsmath}
+\usepackage{cancel}
 
 % links
 \usepackage{hyperref}