When you launch the editor, focus is on the formula entry area is focused in which you can define formulas using standard editing keys. To navigate to the Functions pane to the right that enables you to insert a variety of functions or Performance Scorecard data, press Ctrl-Tab. By default, the Functions folder has focus. Use the up and down arrow keys to select the function to use. Press Ctrl-Tab again to focus on the first button in the Operation pane in the lower left..