1 files changed, 5 insertions, 0 deletions
diff --git a/SigSys.tex b/SigSys.tex
index e2d1952..192a703 100644
--- a/SigSys.tex
+++ b/SigSys.tex
@@ -67,10 +67,15 @@
 \setcounter{page}{1}
 \pagenumbering{arabic}
 
+\part{Signals and Systems}
 \input{tex/signals}
 \input{tex/lti}
 \input{tex/lti-freq}
 \input{tex/state-space}
 \input{tex/filters}
 
+\part{Mathematics}
+% linear algebra
+% fourier and laplace transforms
+
 \end{document}