Formula (Extended): $ASC Function
## Overview
Convert full-width characters to half-width characters.
## Syntax
```
$ASC(String)
```
## Parameters
|Parameter|Type|Required|Description|
|:---|:---|:---|:---|
|String|Arbitrary String|Required||
### Column Usable as Parameters
|Parameter|Classification|Numerical Value|Date|Description|Check|
|:---|:---|:---|:---|:---|:---|
|String|Yes|Yes|Yes|Yes|Yes|
## Return Value
A string converted from full-width characters to half-width characters.
If a check column is specified as an argument, the string "True" or "False" is returned.
### Return Value Display Content
|Target|Display Content of Return Value|
|:---|:---|
|Classification (including title, status, manager, owner)|Display return value. |
|Numerical Value (including work volume, progression rate, remaining work volume)|Do not display. |
|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

### Parameters

### Calculation Result

## Usage Example ②
Specify check column for parameters
### Formula

### Parameters

### Calculation Result
