# Using the formula window

## About this task

The Formula Window appears anywhere you can enter a formula outside of the Programmer's pane. When entering a formula in the Formula window, you can:

- Enter it directly into the small white area on the Hide When tab of a properties box.
- Click Formula Window or Zoom to open a larger Formula Window.

## To enter a formula in the small Formula window

### Procedure

- Open a screen containing a Formula Window.
- Enter your formula in the Formula window. A check mark and an X appear next to the Formula window when you begin typing. Click the check mark to accept any changes you have made. Click the X to undo any changes made prior to clicking the check mark.
- If you receive syntax error messages, edit the formula until the errors are corrected.

## To enter a formula in the large Formula window

### Procedure

- Open the properties box of a design element.
- Select the Hide When tab.
- Select Formula Window to display a larger Formula window.
- To select @functions and fields from a list, select Formula Window, then select "Fields and Functions."
- Type your formula.
- Click Done.
- If you receive syntax error messages, edit the formula until the errors are corrected.

### Results

To delete a formula, highlight the formula and press DEL.