Cristiany focused on enhancing numerical robustness in the uiua-lang/uiua repository by addressing a critical bug in mean calculation for large arrays. Using Rust, Cristiany corrected the handling of positive and negative infinity, resolving an asymmetry that previously led to inaccuracies in analytics involving infinite values. The solution involved refining sign detection logic for infinities, which improved the accuracy and stability of mean-based metrics in downstream data processing. Cristiany’s work demonstrated strong skills in bug fixing, data formatting, and numerical computation, contributing depth to the analytics pipeline and reducing edge-case errors in large-scale numerical analysis within the project.