Calculus is more than just about applying formulae and rules to solve problems. It is, in my view, one of the most diverse topics in mathematics. The concept in itself is beautiful and, of course, useful. The course aims at making the reader understand actual concept of calculus, introduce him/her to the concept of limits, functions, and practice problems that would open up his/her mind to more diverse applications of calculus, like trigonometry and co-ordinate geometry. Prior knowledge of linear equations will be helpful, though not compusory.