Mac SE & Mac II - Numeric Keypad tips - to scroll down one line at a time press *. For a continuous downward line scroll hold down the * key. To scroll up one line at a time press +. For a continuous upward scroll hold down the + key. Pressing 0 will return the cursor to its last three locations, one for each press of the key. Press the 5 key to return to the regular screen from Page Preview. Press / to repeat the last thing you did.