Marco Meyer enhanced the Polynomial utilities in the root-project/root repository by enabling constexpr usage for key methods, allowing compile-time evaluation and broader applicability in C++ projects. He refactored the root-finding logic to return roots by value, eliminating reliance on internal storage and improving both API clarity and safety. By removing an unused data member, Marco reduced memory usage and simplified the computation state. He also applied clang-format to ensure consistent code style. Drawing on skills in C++, algorithm design, and mathematics, Marco’s work focused on maintainability, performance, and code quality, delivering a targeted feature within a one-month period.