# Data Functions for Custom Tables and Fields

> Sisense supports many functions that you can use for data calculations in custom tables and fields.

*Source: https://docs.sisense.com/main/SisenseLinux/functions-overview.htm*

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Last updated: June 11, 2026

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Sisense supports many functions that you can use for data calculations in custom tables and fields. See [Adding Custom Tables](https://docs.sisense.com/main/SisenseLinux/adding-a-custom-table.md) and [Defining and Editing Field Formulas](https://docs.sisense.com/main/SisenseLinux/editing-field-formulas.md) for
further details.

**Note:**

If you are looking for information about dashboard functions, see [Dashboard Functions Reference](https://docs.sisense.com/main/SisenseLinux/dashboard-functions-reference.md).

For a short video overview of the available types of functions, see below:

The following topics describe the functions Sisense supports:

- [Date and Time Functions](https://docs.sisense.com/main/SisenseLinux/date-and-time-functions.md)
- [Logical Functions](https://docs.sisense.com/main/SisenseLinux/logical-functions.md)
- [Mathematical Functions](https://docs.sisense.com/main/SisenseLinux/mathematical-functions.md)
- [String and Text Functions](https://docs.sisense.com/main/SisenseLinux/string-and-text-functions.md)
- [Web Functions](https://docs.sisense.com/main/SisenseLinux/web-functions.md)