> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/j.md).

# J

- [Jacobi symbol](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jacobi_symbol.md)
- [Jacobsthal numbers](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jacobsthal_numbers.md)
- [Jaro-Winkler distance](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jaro-winkler_distance.md)
- [Jaro similarity](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jaro_similarity.md)
- [Jensen's Device](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jensens_device.md)
- [Jewels and stones](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jewels_and_stones.md)
- [Jordan-Pólya numbers](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jordan-polya_numbers.md)
- [JortSort](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/jortsort.md)
- [Josephus problem](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/josephus_problem.md)
- [JSON](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/json.md)
- [Julia set](https://trizen.gitbook.io/sidef-lang/programming_tasks/j/julia_set.md)