Unlock the power of functions in calculating factorial in C programming with this comprehensive video tutorial. Whether you're a beginner or an experienced programmer, this guide provides valuable insights and practical examples to enhance your understanding of factorial computation using functions. Learn how to design and implement a factorial function that takes a positive integer as input and returns its factorial value. Explore the recursive approach, where the function calls itself to solve factorial iteratively. Understand the logic and implementation of the algorithm, ensuring a thorough understanding of the process. Discover the benefits of using functions in modularizing your code, improving readability, and promoting code reusability. We'll cover scenarios involving edge cases and handling larger numbers. Gain valuable insights into optimizing your code for efficiency and preventing overflow. By the end of this video, you'll be equipped with the knowledge and confidence to calculate factorial efficiently using functions in C programming. Don't miss out on this essential tutorial that will enhance your problem-solving skills and expand your programming repertoire.