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Dive into the enchanting world of I Studied Mainly Textbooks! as it follows the quirky tale of Kang JiWoon, a math teacher facing the daily struggles of his profession. In this unique Korean web novel, JiWoon's story transcends the ordinary as he discovers that his mathematical knowledge is more powerful than any magic in a world where the quadratic formula is a mystery to many. With a blend of action, comedy, and fantasy, this story is a delightful escape into a realm where the protagonist's scientific calculator reigns supreme, emphasizing the importance of hard work and intellect over innate talent.