> 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/v.md).

# V

- [Vampire number](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/vampire_number.md)
- [Van der Corput sequence](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/van_der_corput_sequence.md)
- [Van Eck sequence](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/van_eck_sequence.md)
- [Variable-length quantity](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/variable-length_quantity.md)
- [Variadic function](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/variadic_function.md)
- [Vector](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/vector.md)
- [Vector products](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/vector_products.md)
- [Verify distribution uniformity](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/verify-distribution-uniformity.md)
- [Chi-squared test](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/verify-distribution-uniformity/chi-squared_test.md)
- [Vigenère cipher](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/vigenere_cipher.md)
- [Visualize a tree](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/visualize_a_tree.md)
- [Vogel's approximation method](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/vogels_approximation_method.md)
- [Voronoi diagram](https://trizen.gitbook.io/sidef-lang/programming_tasks/v/voronoi_diagram.md)