About this ActiveBook
What's inside
5 interactive tools
📈
🎲
🧭
💻
❓
Function grapher
Plot any function in 2D — pan, zoom, trace.
Probability simulator
Monte Carlo + sampler in the page.
Vector field viewer
Visualize fields and flows on a moving grid.
Code sandbox
Edit & run code in-page — no setup.
Quizzes
Per-chapter checks with feedback.
Why ActiveBooks
- ✓ Everything runs right in your browser — no setup, no install
- ✓ Lifetime updates as the author adds new chapters and tools
- ✓ Your state stays — bookmarks, parameters, notes
