> ## Documentation Index
> Fetch the complete documentation index at: https://docs.regatta.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Mathematical Functions and Operators

Conventions for all the Mathematical Functions and Operators sections:

* **integral\_type** represents fixed full number data types (`SMALLINT`, `INTEGER`, and `BIGINT`).
* **numeric\_type** refers to all the available [Numeric types](https://docs.regatta.dev/sql/data-types/numeric-types).
* `DOUBLE` represents approximate numeric data types (`DOUBLE`, `FLOAT`, `REAL`).
* `DECIMAL` represents an exact numeric data type (`NUMERIC`).