# Page Not Found

The URL `methods/maths/.invabs` does not exist.

You might be looking for one of these pages:
- [.invabs()](https://osl.mistium.com/methods/numbers/.invabs.md)
- [.abs()](https://osl.mistium.com/methods/numbers/.abs.md)
- [.contains(val)](https://osl.mistium.com/methods/arrays/.contains.md)
- [.insert(location,val)](https://osl.mistium.com/methods/arrays/.insert.md)
- [.index(val)](https://osl.mistium.com/methods/arrays/.index.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/methods/numbers/.invabs.md`)
- Use `Accept: text/markdown` header for content negotiation