# Controls (main app)

| Key | Action |
|-----|--------|
| `r` | Register a new student |
| `q` | Start quiz mode |
| `t` | Train the number recognition model |
| `l` | View leaderboard |
| `c` | Toggle drawing pad (in quiz mode) |
| `Enter` | Submit drawing / Confirm registration |
| `ESC` | Go back / Quit |