✓The main aim of this course is to give students insight and make them fall in love with these incredible topics without the students getting bored, and to guide them personally for exams and other assignments. ✓My smart and easy-to-understand teaching increases student learning efficiency, and my assignments and ongoing testimony guide them to their desired goal. ✓ Physics, mathematics, chemistry are the building blocks of our nature and our humanity as a whole. We all need to have precise knowledge of these subjects, and these courses are precisely focused on improving students' knowledge of these subjects.