> 1. insert numbered formula with <ctrl><alt>-n > 2. type some symbol, e.g. "5" and mark it with <shift>-cursor from left > to right (!) such that after the marking the cursor is at the end of the > math-environment. > 3. pressing <del> will not delete the marked text, but remove the > equation number.
This is by design. Since LyX 1.6.3 you can delete the label, and the number this way. When you press Delete after deleting the equation number, the characters will be deleted.
This behaviour is also described in LyX's Math manual that you find in the Help menu of LyX. regards Uwe
