An experiment to make a spreadsheet engine for the web.

• Formulas
  • Addition, subtraction, multiplication, division (with order of operations)
  • Ability to reference individual cells
  • Ability to pass ranges of cells (in two dimensions) as function arguments
  • Very large list of compatible Excel-style functions
  • Dynamically update as referenced values update
• Dynamically sized columns
• Keyboard interactions similar to Excel
• Drag and drop
  • Drag cell to move
  • Drag corner of cell to copy
  • Copied cells adjust their formulas
    • Support for pinning identifiers with $ (e.g., $A$1, A$2)
• Import parsed data (loadData)
• Supports Excel-style circular reference convergence