Application Notespress-n-hold 1st row, 5th column (from top) for hp33Cpress-n-hold 2nd row, 5th column for hp25Cpress-n-hold 3nd row, 5th column for hp21press-n-hold 4th row, 4th column for version infopress-n-hold 1st row, 4th column to show greetingspress-n-hold...