# Progress Tracking

## Milestones
- [ ] Initial Environment & Docs Setup
- [ ] Core Calculation Engine
- [ ] Web UI & Integration
- [ ] Final Build & Polish

## Todo List
- [x] Create project structure
- [x] Initialize Memory Bank documents
- [ ] Create Blueprint documents (PRD, Architecture)
- [ ] Project setup (Vite, TS, Tailwind, Vitest)
- [ ] Implement `src/calculator.ts`
- [ ] Write tests in `src/calculator.test.ts`
- [ ] Implement `index.html` UI
- [ ] Implement `src/main.ts` glue code
- [ ] Verify build output