Let's get started right away with a hands-on tour of the development
environment. You will use many of the common Smalltalk browsers and
tools to create a calculator application. When you are finished, you
will have a working calculator that looks like the following:
Don't worry if you do not understand all of the Smalltalk code used in this example. We are really more concerned here with the process of creating an application, rather than the Smalltalk language itself. This tour will show you the following fundamentals:
You are encouraged to take the entire tour in one sitting. If you have to stop in the middle, make sure to save your image before exiting Smalltalk. The development environment will appear in the same state the next time you start your image.