User's Guide
Let's get back to creating the calculator:
- In the Applications Browser, select Create >
Application from the Applications menu.
- In the dialog box, type STCalculatorApp and select
OK.
- If a dialog opens stating that STCalculatorApp already exists,
select Yes and enter a different name (perhaps prefixed by your
initials). The name of any application must begin with a capital letter
and contain no spaces.
- Now you can set the application's prerequisites from the new window
that just opened. This determines which applications have to be loaded
in your image before your application will run. All applications start
out by having Kernel as a prerequisite. The graphical
interface of STCalculatorApp uses the application
CommonWidgets. To ensure that we have
CommonWidgets as a prerequisite, do the following:
- Select CommonWidgets from the Available list.
- Select >>. Notice that Kernel disappeared
from the right list. That is because CommonWidgets has
Kernel as its own prerequisite, and this list shows only the
immediate prerequitises for your application.
- Select OK. The application CommonWidgets is
now a prerequisite of STCalculatorApp.

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