Добавьте файлы проекта.

Program.cs

@@ -0,0 +1,26 @@
+using calculator.Controller;
+using calculator.Model;
+using calculator.Services;
+
+namespace calculator
+{
+    internal static class Program
+    {
+        /// <summary>
+        ///  The main entry point for the application.
+        /// </summary>
+        [STAThread]
+        static void Main()
+        {
+            // To customize application configuration such as set high DPI settings or default font,
+            // see https://aka.ms/applicationconfiguration.
+            var inputService = new InputService();
+            var caculator = new Caculyator();
+            ApplicationConfiguration.Initialize();
+            var data = new CaculatorData();
+            var view = new Form1();
+            var controller = new CaculatorController(caculator, inputService, view, data);
+            Application.Run(view);
+        }
+    }
+}