GradeScale generated a grade lookup table for teachers and education professionals. Quickly determine a test score and grade by the number of wrong responses for any number of test questions.To get started, tap the text field at the top of the screen to enter a number. Press enter to view the table of test scores.Tap the table to toggle the rounding mode. Long-press the table to bookmark the list Swipe right to view a list of the most recent lookups or swipe left to view the bookmarked lookups.