diff --git a/src/Count.cmb b/src/Count.cmb
index d126545..020a9b8 100644
--- a/src/Count.cmb
+++ b/src/Count.cmb
@@ -52,7 +52,7 @@
 	(2,58,"GtkText",None,44,None,None,None,None,None),
 	(2,59,"GtkText",None,45,None,None,None,None,None),
 	(2,60,"GtkText",None,30,None,None,None,None,None),
-	(2,61,"GtkEntry","rank_output",30,None,None,None,1,None),
+	(2,61,"GtkEntry",None,30,None,None,None,1,None),
 	(2,62,"GtkEntry",None,36,None,None,None,1,None),
 	(2,63,"GtkEntry",None,37,None,None,None,1,None),
 	(2,64,"GtkEntry",None,38,None,None,None,1,None),
@@ -74,9 +74,10 @@
 	(2,80,"GtkEntry",None,44,None,None,None,2,None),
 	(2,81,"GtkEntry",None,45,None,None,None,2,None),
 	(2,82,"GtkBox",None,26,None,None,None,1,None),
-	(2,83,"GtkButton",None,82,None,None,None,None,None),
+	(2,83,"GtkButton","clear_button",82,None,None,None,None,None),
 	(2,84,"GtkButton","calculate_button",82,None,None,None,1,None),
-	(2,85,"GtkTextBuffer","inputdata",25,None,None,None,-1,None)
+	(2,85,"GtkTextBuffer","inputdata",25,None,None,None,-1,None),
+	(2,86,"GtkEntryBuffer","rank_output",61,None,None,None,-1,None)
   </object>
   <object_property>
 	(2,1,"GtkWindow","default-height","600",None,None,None,None,None,None,None,None,None),
@@ -207,6 +208,7 @@
 	(2,60,"GtkWidget","height-request","50",None,None,None,None,None,None,None,None,None),
 	(2,60,"GtkWidget","width-request","100",None,None,None,None,None,None,None,None,None),
 	(2,61,"GtkEditable","editable","False",None,None,None,None,None,None,None,None,None),
+	(2,61,"GtkEntry","buffer",None,None,None,None,None,86,None,None,None,None),
 	(2,61,"GtkWidget","height-request","40",None,None,None,None,None,None,None,None,None),
 	(2,61,"GtkWidget","margin-bottom","5",None,None,None,None,None,None,None,None,None),
 	(2,61,"GtkWidget","margin-end","5",None,None,None,None,None,None,None,None,None),
diff --git a/src/window.py b/src/window.py
index 413cbdc..7ad9d64 100644
--- a/src/window.py
+++ b/src/window.py
@@ -25,13 +25,70 @@ class CountWindow(Adw.ApplicationWindow):
     __gtype_name__ = 'CountWindow'
 
     calculate_button = Gtk.Template.Child()
+    clear_button = Gtk.Template.Child()
     inputdata = Gtk.Template.Child()
+    rank_output = Gtk.Template.Child()
 
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
-        self.calculate_button.connect('clicked', self.on_clicked)
+        self.calculate_button.connect('clicked', self.calculate_clicked)
+        self.clear_button.connect('clicked', self.clear_clicked)
 
-    def on_clicked(self, btnobj):
-        userinput = self.inputdata.get_text(self.inputdata.get_start_iter(),self.inputdata.get_end_iter(),False)
-        print(userinput)
+    def clear_clicked(self, btnobj):
+        self.inputdata.set_text("",0)
+
+    def calculate_clicked(self, btnobj):
+        userInput = self.inputdata.get_text(self.inputdata.get_start_iter(),self.inputdata.get_end_iter(),False)
+        zero,one,two,three,four,five,six,seven,eight,nine=0,0,0,0,0,0,0,0,0,0
+
+        for i in userInput:
+            if i=="0":
+                zero+=1
+            elif i=="1":
+                one+=1
+            elif i=="2":
+                two+=1
+            elif i=="3":
+                three+=1
+            elif i=="4":
+                four+=1
+            elif i=="5":
+                five+=1
+            elif i=="6":
+                six+=1
+            elif i=="7":
+                seven+=1
+            elif i=="8":
+                eight+=1
+            elif i=="9":
+                nine+=1
+
+        print()
+        print("0 = ",zero)
+        print("1 = ",one)
+        print("2 = ",two)
+        print("3 = ",three)
+        print("4 = ",four)
+        print("5 = ",five)
+        print("6 = ",six)
+        print("7 = ",seven)
+        print("8 = ",eight)
+        print("9 = ",nine)
+
+        rank=[zero,one,two,three,four,five,six,seven,eight,nine]
+        rankNumber = ""
+
+        print()
+        print("Rank : ",end='')
+        for j in range(10):
+            most = -1
+            mostIndex = -1
+            for i in range(10):
+                if rank[i]>most:
+                    most=rank[i]
+                    mostIndex=i
+            rankNumber += str(mostIndex)
+            rank[mostIndex]=-1
+        print(rankNumber)
+        self.rank_output.set_text(rankNumber,-1)
 
diff --git a/src/window.ui b/src/window.ui
index 225abba..7c48786 100644
--- a/src/window.ui
+++ b/src/window.ui
@@ -496,7 +496,10 @@
                               </object>
                             </child>
                             <child>
-                              <object class="GtkEntry" id="rank_output">
+                              <object class="GtkEntry">
+                                <property name="buffer">
+                                  <object class="GtkEntryBuffer" id="rank_output"/>
+                                </property>
                                 <property name="editable">False</property>
                                 <property name="height-request">40</property>
                                 <property name="margin-bottom">5</property>
@@ -514,7 +517,7 @@
                         <property name="height-request">0</property>
                         <property name="orientation">vertical</property>
                         <child>
-                          <object class="GtkButton">
+                          <object class="GtkButton" id="clear_button">
                             <property name="height-request">70</property>
                             <property name="label">ล้างข้อมูล</property>
                             <property name="margin-bottom">5</property>