> For the complete documentation index, see [llms.txt](https://documentation.soulver.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://documentation.soulver.app/ja/rifarensu/general/number-rounding.md).

# 丸め

回答を丸める小数点以下の桁数を指定します。これは、行のデフォルトの精度設定を上書きします。

```
# 特定の小数点以下の桁数に丸める
1/3 to 2 dp                     | 0.33
π to 5 digits                   | 3.14159

# 切り上げと切り捨て
5.5 rounded                     | 6
5.5 rounded down                | 5
5.5 rounded up                  | 6

# 最も近い x に丸める
37 to nearest 10                | 40
$490 rounded to nearest hundred | $500
2,100 to nearest thousand       | 2,000

# 最も近い x に切り上げと切り捨て
21 rounded up to nearest 5      | 25
17 rounded down to nearest 3    | 15
```

または、以下の関数を使用します。

| Function | Name          | 動作               |
| -------- | ------------- | ---------------- |
| round()  | Integer round | 数値を最も近い整数に丸めます   |
| ceil()   | Ceiling       | 数値を最も近い整数に切り上げます |
| floor()  | Floor         | 数値を最も近い整数に切り捨てます |


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://documentation.soulver.app/ja/rifarensu/general/number-rounding.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
