You've built todo apps, counters, and forms. But can you handle a grid of 50 cells that reference each other through formulas? This challenge pushes your state management skills into real spreadsheet territory — formula evaluation, two-way cell bindings, and an interface that juggles editing, s...
Source: [Dev.to](https://dev.to/reactchallenges/new-react-challenge-build-a-spreadsheet-with-formula-evaluation-3hic)