IF you wanted to pursue your career in the Science field , then you must be very good in these three subject Math , Physics , Chemistry . I love to solve the problem of Math and Physics , I feel i am good in the math so i wanted to teach the students so they can grow in classes with good grade and it will be help to them when they will inter in the university . because you can build a tower without proper foundation . I graduated in mechatronics Engineering from Assumption university of Thailand