This section is about functions, it covers these topics:
1. Open Functions Setting Dialog
2. Manage User Defined Functions
3. Add A New Function
4. Edit A Function
1. Open Functions Setting Dialog
Select menu: Tools -> Options, and select "Functions" tab.
2. Manage User Defined Functions
Right click in the function list and you should see a popup menu, the usage of the menu items are:
New Function: to define a new function. A function info dialog is displayed to define the function.
Edit Function: to edit the selected function.
Delete Function: to delete the selected function.
Delete All Functions: to delete all user defined functions. You will get a prompt before deleting is performed.
Popup menu for function management
3. Add A New Function
In the function info dialog, Input the function name, parameters, formula, and description(optional), press "Add" to add and save it. Before saving it, system will validate the function name, parameter names, and formula. If there are any problems, you will get an error message. You must fix all the problems before saving it successfully.
Add/Edit a function
4. Edit A Function
It's very similar with "Add A New Function". In the function info dialog, edit parameters, formula, and description(optional), press "Edit" to save it. System also validates the function before saving it. The Function Name is NOT editable.