Formula (Extended): $ROUNDDOWN Function
## Overview
Return the value of a numerical value rounded down to the specified number of digits.
## Syntax
```
$ROUNDDOWN(Numerical value, Number of digits)
```
## Parameters
|Parameter|Type|Required|Description|
|:---|:---|:---|:---|
|Numerical value|Half-width numerical value|Required|Numerical value to be rounded down. |
|Number of digits|Half-width numerical value|Required|Number of digits resulting from truncating a numerical value. |
### Column Usable as Parameters
|Parameter|Classification|Numerical Value|Date|Description|Check|
|:---|:---|:---|:---|:---|:---|
|Numerical value|Yes|Yes|No|Yes|No|
|Number of digits|Yes|Yes|No|Yes|No|
## Return Value
The numerical value is rounded down to the specified number of digits.
### Return Value Display Content
|Target|Display Content of Return Value|
|:---|:---|
|Classification (including title, status, manager, owner)|Display return value. If the drop-down list has 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/af2c895ac2ac42089856d05fadeccb96)
### Parameters
![image](https://pleasanter.org/binaries/4b179bf842db453d9825577da6b11ad8)
### Calculation Result
![image](https://pleasanter.org/binaries/fb9cba75ca324118b133da47d25bc5b5)
## Usage Example 2
Truncate to one decimal place
### Formula
![image](https://pleasanter.org/binaries/c13c77065eb643068968be3d02114c35)
### Parameters
![image](https://pleasanter.org/binaries/0e6398497d274e4d86943ce9dda4fbfe)
### Calculation Result
![image](https://pleasanter.org/binaries/62f88e8cccdf42f6a9e300823172a578)