Sum and Difference of Two Numbers in C with Full Explanation

C programming is a foundational skill that every computer science student must master. At TruongDevs, we introduce a beginner-friendly but essential exercise that helps you understand how to work with basic data types, perform arithmetic operations, and manage input and output. This tutorial focuses on calculating the sum and difference of two integers and two floating-point numbers using the int and float types in C. You will learn how to read multiple inputs using scanf with the correct format specifiers, perform operations using + and - , and format output using printf . For floating-point numbers, you will also see how to round results to one decimal place using the format %.1f . Objective The fundamental data types in C are int, float and char. Today, we’re discussing int and float data types. The printf() function prints the given statement to the console. The syntax is printf(“format string”, argument_list);. In the function, if we are using an integer, character, string or float as a…