Derivative Calculus Solver is an intuitive, web-based educational tool designed to demystify the complexities of calculus. While most calculators focus solely on providing the final answer, our platform prioritizes the learning process. By utilizing a sophisticated symbolic engine, we decompose derivatives involving the Chain Rule, Product Rule, and Quotient Rule into clear, manageable substitutions. Our interface is optimized for speed and clarity, making it an essential resource for university students, high schoolers, and math educators looking for a transparent alternative to "black-box" solvers.