diff --git a/notebook/statistical-mechanics/monte_carlo_pi.ipynb b/notebook/statistical-mechanics/monte_carlo_pi.ipynb
index fe4b3cd..4511265 100644
--- a/notebook/statistical-mechanics/monte_carlo_pi.ipynb
+++ b/notebook/statistical-mechanics/monte_carlo_pi.ipynb
@@ -103,7 +103,7 @@
     "\n",
     "run_button = Button(description='Throw')\n",
     "clear_button = Button(description='Clear')\n",
-    "num_coin = IntSlider(value=1, min=1, max=200, description='Number of coins:', style={'description_width': 'initial'})\n",
+    "num_coin = IntSlider(value=100, min=1, max=200, description='Number of coins:', style={'description_width': 'initial'})\n",
     "use_quasi = Checkbox(value=False, description='Quasi-Monte Carlo')\n",
     "\n",
     "label1 = HTML(value = f\"<b><font color='blue' size=3>Number of inside coins:</b>\")\n",
@@ -263,7 +263,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.7"
+   "version": "3.10.12"
   }
  },
  "nbformat": 4,