diff --git a/Work.ipynb b/Work.ipynb
index 572345a..4737def 100644
--- a/Work.ipynb
+++ b/Work.ipynb
@@ -1371,6 +1371,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "(*\n",
     "(* Test algo alpha < pi/. 2. *)\n",
     "let prev_alpha = m_alpha\n",
     "\n",
@@ -1408,7 +1409,8 @@
     "            else\n",
     "                let m_alpha = prev_alpha\n",
     "        in\n",
-    "        m_new_alpha m_alpha (n-1);;"
+    "        m_new_alpha m_alpha (n-1);;\n",
+    "*)"
    ]
   },
   {
@@ -1417,8 +1419,10 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "(*\n",
     "m_new_alpha m_alpha 2;;\n",
-    "alpha;;"
+    "alpha;; \n",
+    "*)"
    ]
   },
   {
@@ -1427,6 +1431,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
+    "(*\n",
     "(* Test méthode de calcul de alpha *)\n",
     "let calcul_alpha_2 methode = \n",
     "\n",
@@ -1444,7 +1449,8 @@
     "\n",
     "in \n",
     "(alpha methode)**2.\n",
-    "\n"
+    "\n",
+    "*)"
    ]
   },
   {
@@ -1453,7 +1459,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "calcul_alpha_2 \"ER\";;\n"
+    "(*\n",
+    "calcul_alpha_2 \"ER\";;\n",
+    "*)"
    ]
   },
   {