This study, which aims to develop the complex formula writing skills required in the disciplines of mathematics and chemistry, offers users an interactive learning methodology. The 191 original formulas presented in the book aim to impart fundamental coding skills through the processes of analyzing, applying, and comparing code structures. With its structure that allows users to compare their own solutions with the proposed models, the work is not only a technical application guide but also an analytical training tool that develops the ability to identify and optimize errors.