> For the complete documentation index, see [llms.txt](https://felienne.gitbook.io/codasium/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://felienne.gitbook.io/codasium/module-2.3-rekenmachine/les-7.md).

# Les 7 (extra)

- [Les 7a](https://felienne.gitbook.io/codasium/module-2.3-rekenmachine/les-7/les-7a.md)
- [Les 7b](https://felienne.gitbook.io/codasium/module-2.3-rekenmachine/les-7/les-7b.md)