Ribbon tabs, formula bar, 500+ calculation functions, dynamic arrays, PivotTables and charts in a native spreadsheet app that reads and writes .xlsx files.
Features
The spreadsheet workflow
Formula bar, Name Box, sheet tabs, fill handle, colored cell references, conditional formatting, and familiar shortcuts.
Native XLSX compatibility
Styles, themes, formulas, dynamic arrays, tables, validation, comments, sparklines and PivotTables round-trip cleanly.
500+ calculation functions
Full dependency-graph calculation engine with dynamic arrays, spilling, LET, LAMBDA, MAP, REDUCE, and table references.
Charts & PivotTables
Seventeen chart types with customizable formatting, plus PivotTables with filters, field lists, layouts, and date grouping.
High-performance engine
Copy-on-write workbooks with instant undo snapshots, incremental recalculation, and a virtualised grid.
Agent-native automation
Every ribbon button, menu item, and formula can be driven by AI agents over an MCP server, CLI, or JSON control channel.
