../Installing
Adding a new catagory:
Adding slots to globals
We'll add two slots to globals, in a new category. To add a new subcategory, we use the `Add category' middle-button menu item on an existing category.Then, we add two new data slots into that category, called bankAccount and stockAccount.
We'll make the slots constant, having them initially refer to new, empty objects. The syntax for a new, empty object is an empty pair of parentheses:
bankAccount = ()