The toolbar located at the top of Main Screen.
By default there are following buttons in it:

Edit Event	Allows modifying the selected appointment using Appointment Editor.
Delete Event	Deletes the selected event.
Type	Has three items that allows creating, modifying and deleting an Appointment Type.
Chart	Brings up Time Split Chart viewer.
Help	Displays the help contents.
Exit	Exits application.

You can add or delete buttons from Toolbar by clicking right mouse button over the Toolbar or by pressing F8 key in Main Screen and using Toolbar Customizer dialog.