Test Calculator November 10, 2022 by atmiya25 Grades scale A,B,C,D,… A+,A,A-,B+,… Number of questions Number of wrong answers + Wrong × Reset Percentage grade % Letter grade Fraction grade Grade options table Number ofQuestions Number ofWrong Answers Grade (%) Grade(letter) 10 0 100 A 10 1 90 A 10 2 80 B 10 3 70 C 10 4 60 D 10 5 50 F 10 6 40 F 10 7 30 F 10 8 20 F 10 9 10 F 10 10 0 F See also Watts / Volts / Amps / Ohms calculator