Discover how to calculate the sum of digits in a given number using C programming in this informative video tutorial. Whether you're a beginner or an experienced programmer, this guide provides clear explanations and practical examples to help you master this essential skill. Learn how to break down a number into its individual digits and add them together to obtain the sum. Explore different techniques, such as using modulus and division operators, to extract digits from the number. We'll walk you through the logic and implementation of the algorithm, ensuring a thorough understanding of the process. Additionally, we'll cover scenarios involving both positive and negative numbers. Gain valuable insights into optimizing your code for efficiency and handling edge cases. By the end of this video, you'll be equipped with the knowledge and confidence to solve sum of digits problems efficiently in C programming. Don't miss out on this essential tutorial that will enhance your problem-solving skills and expand your programming repertoire.