For learners starting programming for the first time, C language can feel difficult due to unfamiliar concepts such as variables, operators, conditional statements, loops, functions, arrays, and pointers. This course is an introductory C language program taught directly by Professor Chang-hyun Lee, a 25-year veteran developer and the author of "C Language Alone." Rather than simply memorizing C language syntax, this course provides step-by-step explanations of why each syntax is necessary, how it operates within a program, and how to solve real-world problems through code. Starting from the basic concepts of programming, you will learn the core foundations of C language—including variables and data types, operators, conditional statements, loops, functions, arrays, and pointers—one by one. Through assignments for each part, you will gain hands-on experience writing code and solving problems based on what you have learned. Based on 25 years of experience in development and education, this course guides beginners to firmly establish their programming fundamentals in C language.

App Inventor, a programming language that anyone can use, encourages creative and logical thinking rather than traditional spoon-fed education, enabling implementation into software.