Brayan Basallo contributed to the danna3851/software10b repository by developing structured asset management for truth table documentation and implementing a foundational Java math utilities module. He organized binary assets and an Excel reference file to streamline documentation, removing unused files to improve repository hygiene and maintainability. In Java, Brayan created a reusable module featuring basic arithmetic, geometric formulas, and unit conversions, establishing a base for future features such as budgeting and additional conversions. His work demonstrated programming fundamentals and attention to clean code organization, resulting in a maintainable codebase with clear commit traceability and easier onboarding for future contributors.