Formula (Extended): $SQRT Function
## Overview
Return the positive square root.
## Syntax
```
$SQRT(Numerical value)
```
## Parameter
|Parameter|Type|Required|Description|
|:---|:---|:---|:---|
|Numerical value|Half-width numerical value|Required|Numerical value to find the square root of. An error occurs if a negative number is specified|
### Column Usable as Parameters
|Parameter|Classification|Numerical Value|Date|Description|Check|
|:---|:---|:---|:---|:---|:---|
|Numerical value|Yes|Yes|No|Yes|No|
## Return Value
Positive square root
### Return Value Display Content
|Target|Display Content of Return Value|
|:---|:---|
|Classification (including title, status, manager, owner)|Display return value. In the case of a drop-down list with values, the options that match the values are displayed. |
|Numerical Value (including work volume, progression rate, remaining work volume)|Display return value. |
|Date (including start and completion)|Do not display. |
|Description (including content)|Display return value. |
|Check (including lock)|Do not display. |
## Usage Example ①
Specify parameters by screen column name (name displayed)
### Formula
![image](https://pleasanter.org/binaries/6beaa301926c42d795c230de776c0000)
### Parameters
![image](https://pleasanter.org/binaries/83c0b49a59914784ac30051617a99bd0)
### Calculation Result
![image](https://pleasanter.org/binaries/cfda382a091e479ebe615520dddb25e6)