Formula (Extended): $TRUNC Function
## Overview
Return the value with the decimal part of the numerical value truncated to the specified number of digits.
## Syntax
```
$TRUNC(Numerical value, [Number of digits])
```
## Parameter
|Parameter|Type|Required|Description|
|:---|:---|:---|:---|
|Numerical value|Half-width numerical value|Required|Numerical value to truncate the decimal part. |
|[Number of digits]|Half-width numerical value|Optional|Specify the number of digits after truncation. If omitted, 0 is assumed. |
### 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
A numerical value with the decimal point truncated 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 the parameter by the screen column name (name displayed)
### Formula
![image](https://pleasanter.org/binaries/26865254b09b4e32933d488dd13f8a76)
### Parameters
![image](https://pleasanter.org/binaries/e8174857a6654bb5abe47e9297f2c7c9)
### Calculation Result
![image](https://pleasanter.org/binaries/b6f49f954ef042a6ae873650d1da75c6)
## Usage Example ②
Specify the parameter [Number of digits]
### Formula
![image](https://pleasanter.org/binaries/c6c3ac947b8942deb3fdc3512e6d4bc1)
### Parameters
![image](https://pleasanter.org/binaries/f34e0fb7ad2945f7bc8c48b79ceeca4e)
### Calculation Result
![image](https://pleasanter.org/binaries/450899c3d21045a58199dd88689cd22b)