With cursor in math-mode, click on Tools->Preferences. Nothing happens. Now move outside the math box. Click on Tools->Preferences. The preference dialog comes up.
-- Kayvan A. Sylvan | Proud husband of | Father to my kids: Sylvan Associates, Inc. | Laura Isabella Sylvan | Katherine Yelena (8/8/89) http://sylvan.com/~kayvan | "crown of her husband" | Robin Gregory (2/28/92)