During May 2025, Pantera developed the DivRemGeneric trait for the starkware-libs/cairo repository, focusing on enhancing numeric abstractions and reliability in Cairo. This work introduced a unified approach to division and remainder operations across integer types, leveraging core library development and generic programming techniques. Pantera implemented compatibility bridges to integrate the new trait with existing numeric types and wrote comprehensive tests to validate correctness and robustness. By enabling more generic and reusable arithmetic code, this contribution addressed cross-type portability and laid the foundation for future generic numeric features, demonstrating depth in numeric traits and core language design within the Cairo ecosystem.