diff --git a/MAUICalculator/App.xaml.cs b/MAUICalculator/App.xaml.cs
index 8c36ce6..5bcd6d6 100644
--- a/MAUICalculator/App.xaml.cs
+++ b/MAUICalculator/App.xaml.cs
@@ -1,11 +1,13 @@
 namespace MAUICalculator
+using Microsoft.Maui.Controls;
+
+namespace YourNamespace
 {
     public partial class App : Application
     {
         public App()
         {
             InitializeComponent();
-
             MainPage = new AppShell();
         }
     }
diff --git a/MAUICalculator/AppShell.xaml.cs b/MAUICalculator/AppShell.xaml.cs
index 3c4318a..fb20b0f 100644
--- a/MAUICalculator/AppShell.xaml.cs
+++ b/MAUICalculator/AppShell.xaml.cs
@@ -1,10 +1,15 @@
 namespace MAUICalculator
+using System;
+using Microsoft.Maui.Controls;
+
+namespace YourNamespace
 {
     public partial class AppShell : Shell
     {
         public AppShell()
         {
             InitializeComponent();
+            Routing.RegisterRoute(nameof(SubPage), typeof(SubPage));
         }
     }
 }
diff --git a/MAUICalculator/MauiProgram.cs b/MAUICalculator/MauiProgram.cs
index b79779f..4cc812b 100644
--- a/MAUICalculator/MauiProgram.cs
+++ b/MAUICalculator/MauiProgram.cs
@@ -1,6 +1,8 @@
 using Microsoft.Extensions.Logging;
-
+using Microsoft.Maui;
+using Microsoft.Maui.Hosting;
 namespace MAUICalculator
+namespace YourNamespace
 {
     public static class MauiProgram
     {
@@ -12,14 +14,10 @@ public static MauiApp CreateMauiApp()
                 .ConfigureFonts(fonts =>
                 {
                     fonts.AddFont("OpenSans-Regular.ttf", "OpenSansRegular");
-                    fonts.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
                 });
 
-#if DEBUG
-    		builder.Logging.AddDebug();
-#endif
-
             return builder.Build();
         }
     }
 }
+
diff --git a/MAUICalculator/SubPage.xaml.cs b/MAUICalculator/SubPage.xaml.cs
index 0f9a3b9..c973dc7 100644
--- a/MAUICalculator/SubPage.xaml.cs
+++ b/MAUICalculator/SubPage.xaml.cs
@@ -1,9 +1,39 @@
 namespace MAUICalculator;
+using System;
+using Microsoft.Maui.Controls;
 
-public partial class SubPage : ContentPage
+namespace YourNamespace
 {
-	public SubPage()
-	{
-		InitializeComponent();
-	}
-}
\ No newline at end of file
+    public partial class SubPage : ContentPage
+    {
+        public SubPage()
+        {
+            InitializeComponent();
+        }
+
+        // Method to handle DEL button click
+        void OnDelButtonClicked(object sender, EventArgs e)
+        {
+            if (displayLabel.Text.Length > 0)
+            {
+                if (displayLabel.Text.EndsWith("="))
+                {
+                    displayLabel.Text = "";
+                }
+                else
+                {
+                    displayLabel.Text = displayLabel.Text.Remove(displayLabel.Text.Length - 1);
+                }
+            }
+        }
+
+        // Method to handle AC button click
+        void OnAcButtonClicked(object sender, EventArgs e)
+        {
+            displayLabel.Text = "";
+            lastNumber = 0;
+        }
+
+        // Other methods for button clicks...
+    }
+}