#Universal Tube #Recursively function in C++ programming #function chapter 5 Recursion is the term used in C++ to describe calling a function from within another function. Recursive functions are those that repeatedly call the same function. programming with a recursive function in C++. In order to solve the complex program, recursion is the practice of calling the function by itself as a subroutine. Instead of using the iterative method, which requires a lot of work and time to tackle the same problem, recursion uses the technique of breaking the program down into smaller tasks and calling it repeatedly.