I am a mechanical engineering student and you would have known that this is a vast area to learn and master linear algebra, calculus 1,2, and 3, mechanics, and other engineering mathematics topics including differential equations. Now I am in the 4th (final) year of my study; I learned and mastered those subjects by studying individual subjects on them and applying my knowledge in a number of subjects such as fluid mechanics, mechanical vibration, statics and dynamics, linear control, and so on. You are most welcome to learn the fundamentals and clear your doubts to apply them to real-world problems.