Calculus is a mathematical concept and it is used for calculations. It is actually a part of modern mathematical education, widely used in Physics, Engineering, and etc.
There are three mathematical branches to study the calculus completely.
Learn how to find limit of a function as the input approaches some value.
Learn how to find derivative of a function with respect to a variable.
Learn how to find integration of a function with respect to a variable.
Learn how to solve easy to difficult mathematics problems of all topics in various methods with step by step process and also maths questions for practising.