Create a single view iPhone project that demonstrates the following skills, features and functionality:
• Create a Single View iPhone project using SWIFT.
• Add a single .PNG image to the project asset catalog.
• Add a label programmatically with the text 'Hello XCode'.
• Ensure that the application can support multiple orientations such as Portrait and Landscape.
• Set the application ICON to any image of your choosing.
• Add a SWIFT class file to the project that illustrates and contains the following:
o The class name is 'Calculator'
o Has public variables of the type float called numerator, denominator and total.
o Has a method called 'Add' that returns the sum of numerator and denominator and sets the total variable.
o Has a method called 'Divide that returns the division of the numerator and denominator and sets the total.
o The 'Divide' method should contains a 'try/catch' to ensure that dividing by zero is addressed.