# Nerd_STF v2.1.1 This update doesn't add any new features, simply a code simplification, using some of the .net 6 tools, such as global usings and file-scoped namespace declarations. This update adds some operations from calculus, as well as many new geometry structures. ``` * Nerd_STF = Removed unused or unrequired usings in all files. = Replaced all namespace declarations with file-scoped declarations. * Miscellaneous * GlobalUsings + global using System.Diagnostics.CodeAnalysis ```