# Page Not Found

The URL `reference/aspect-ratio-math` does not exist.

You might be looking for one of these pages:
- [Aspect ratio math](https://docs.sevenpens.com/drawtab/ref/aspect-ratio-math.md)
- [Scenario recommendations](https://docs.sevenpens.com/drawtab/recs/scenario-recs.md)
- [SevenPens Force proportions simulator](https://docs.sevenpens.com/drawtab/resources/sevenpens-force-proportions-simulator.md)
- [Pen tablet recommendations (SMALL)](https://docs.sevenpens.com/drawtab/recs/pen-tablet-recs-small.md)
- [PenTracker by Patrick Lauke](https://docs.sevenpens.com/drawtab/resources/pentracker-by-patrick-lauke.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.sevenpens.com/drawtab/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.sevenpens.com/drawtab/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/drawtab/ref/aspect-ratio-math.md`)
- Use `Accept: text/markdown` header for content negotiation