diff --git a/commun/commun.sty b/commun/commun.sty
index c12a3cf..ac7a6c5 100644
--- a/commun/commun.sty
+++ b/commun/commun.sty
@@ -76,7 +76,7 @@
 \RequirePackage{tkz-euclide}
 \usetikzlibrary{arrows, calc, positioning, shapes.geometric, shadows, snakes, tikzmark}
 \RequirePackage{calc}
-% \RequirePackage{pgffor,pgfmath} % loaded by tikz
+\RequirePackage{fourier}
 \RequirePackage{pgfplots}
 \pgfplotsset{compat=1.16}
 \RequirePackage[load-configurations = abbreviations]{siunitx}
diff --git a/shortcuts/shortcuts.sty b/shortcuts/shortcuts.sty
index ca41e9b..57efa03 100644
--- a/shortcuts/shortcuts.sty
+++ b/shortcuts/shortcuts.sty
@@ -390,6 +390,12 @@
   \ensuremath{\lim\limits_{ #2 } #1}
 }
 
+%% exponential
+%%%
+\NewDocumentCommand \e{} {
+    \text{e}
+}
+
 %%% l
 %%%
 %\RenewDocumentCommand \l {  } {