Changes

From within the Xcode project window click on ''Build and Run'' to compile the application and run it in the simulator. Once the application is running, click inside the text field and enter a Fahrenheit temperature. Next, click on the ''Convert'' button to display the equivalent temperature in Celsius. Assuming all went to plan your application should appear as outlined in the following figure (note that if the keyboard obscures the result label you will need to reload the user interface design into Interface Builder and move the label, button and text field objects so that they are all positioned in the top half of the view):