You can add many types of functions to a formula. All of these functions are organized in the function browser. The browser groups collections of functions in lists organized both alphabetically (Functions (all)) and by topic (Functions (grouped). Use the function browser to specify the type of calculation that you want to perform on the elements in a formula.
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Click any function in the Functions list to apply it to the selected item. When you click some items, you reveal a submenu from which you should make a selection.
Displays a list of functions that require arguments with the date data type, which is interpreted as the number of seconds since January 1, 1904. Date Time functions return values such as day, week, or month of the year. They can also compute dates and can find data intervals. See Date Time Functions in Formula Functions Reference.
Lets you construct a Linear, Interactions, or Full Quadratic model for columns that you choose. After choosing the type of model, a window appears that lets you select the variables from which to construct the model. Hold the CTRL key and click to select more than one. See Parametric Model Functions in Formula Functions Reference.