Creating a new category

To create a category at the same hierarchical level as the current category, click the Add Category button. The new category will appear at the next position below the current one, allowing immediate editing of its name and associated amount:

To create a sub-category of the current category click the Add Sub-Category button. Notice that the focus doesn't shift to the new sub-category but remains with the 'parent' category. This allows you to quickly create several sub-categories with the same 'parent':

If the current category contains an amount greater than zero, then that amount will be trasferred into the first sub-category you create. This is because the amount in parent category is simply the total of all its sub-categories. While a category contains sub-categories the amount (total) in the parent category is not editable.

Deleting a category

To delete the current category click the Delete Category button:

Deleting the entire budget tree

To delete all the budget categories click the Delete All button (and click Yes on the confirmation dialog box):