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

# SQRT

> The SQRT function calculates the positive square root of a number and is supported in various YiDA scenarios such as Form and workflow design. It takes a number as input and returns its positive square root.

The **SQRT** function calculates the positive square root of a number.

## Supported Product Scenarios

The SQRT function is supported in the following YiDA scenarios:

* Form (main table Field)
* Form (business Association rule)
* Form (validation)
* Workflow design (validation rule)
* Workflow design (Association Action)
* Integration & automation
* Workflow - Node
* Connector

## Format

```text theme={"theme":{"light":"github-light","dark":"github-dark"}}
SQRT(number)
```

## Attribute Description

| **Attribute** | **Required** | **Description**                                                  |
| ------------- | ------------ | ---------------------------------------------------------------- |
| number        | Yes          | Number type. The number whose square root you want to calculate. |

## Back Value

| **Back value Type** | **Description**                               |
| ------------------- | --------------------------------------------- |
| Numerical           | The positive square root of the input number. |

## Usage Example

As shown in the figure below, use the `SQRT()` function to Calculate the positive square root of `9`.

## Try It Out

Get the positive square root of a Numerical Component value.