XLSX Skill

Core Purpose

Create, edit, and analyze spreadsheets (.xlsx, .xlsm, .csv, .tsv) with comprehensive support for formulas, formatting, data analysis, and visualization.

Requirements for All Excel Files

Zero Formula Errors

Every Excel model MUST be delivered with ZERO formula errors:

• #REF! - Invalid cell references
• #DIV/0! - Division by zero
• #VALUE! - Wrong data type in formula
• #N/A - Value not available
• #NAME? - Unrecognized formula name