소개
This skill enables Claude to perform high-level spreadsheet engineering, from simple CSV conversions to complex financial modeling. It enforces strict industry standards, such as professional color-coding for inputs and formulas, and ensures zero-error integrity through automated recalculation via LibreOffice. By combining the data processing power of pandas with the formatting precision of openpyxl, it allows for the creation of dynamic, production-ready workbooks complete with pivot tables, charts, and conditional formatting while strictly preserving existing user templates.