Websheets

An experiment to make a spreadsheet engine for the web.

Features

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