diff --git a/src/main/java/info/istlab/Zemi01/Ttest.java b/src/main/java/info/istlab/Zemi01/Ttest.java
index f54c4a8..682a4b4 100644
--- a/src/main/java/info/istlab/Zemi01/Ttest.java
+++ b/src/main/java/info/istlab/Zemi01/Ttest.java
@@ -18,6 +18,12 @@
         System.out.println("df2 = " + df2);
         double p2 = tdist(t2, df2, 2);
         System.out.println("p2 = "+p2);
+
+        // System.out.println("----");
+        // TDistribution dist = new TDistribution(2);
+        // for(float x = -5; x < 5; x+=0.1){
+        //     System.out.println(x+" "+dist.cumulativeProbability(x));
+        // }
     }
 
     /**