> For the complete documentation index, see [llms.txt](https://developer.esw.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.esw.com/pricing-advisor-api/pricing-advisor-api/core-concepts/rounding.md).

# Rounding

Rounding is a process of altering a number with an approximate value that is a simpler representation of the actual number. Rounding direction is the progression that a number undergoes either to its next highest, or next lowest number. ESW uses standard rounding directions in its rounding models.

There are three rounding directions that you can incorporate in your rounding models: Up, Down, and Nearest.

{% tabs %}
{% tab title="Up" %}
Round to the next highest number.

#### Examples

* Whole numbers: If the number is `1706.00`, the rounding target is `10`, and the direction is Up, the rounded value is `1710.00`.
* Decimal numbers: If the number is `1700.06`, the rounding target is `10`, and the direction is Up, the rounded value is `1700.10`.
  {% endtab %}

{% tab title="Down" %}
Round to the next lowest number.

#### Examples

* Whole numbers: If the number is `1714.00`, the rounding target is `10`, and the direction is Down, the rounded value is `1710.00`.
* Decimal numbers: If the number is `1700.14`, the rounding target is `10`, and the direction is Down, the rounded value is `1700.10`.
  {% endtab %}

{% tab title="Nearest" %}
Round to the closest value.

* If the number is between `0–4` and the rounding target is `10`, the result rounds Down.
* If the number is between `5–9` and the rounding target is `10`, the result rounds Up.

#### Examples

* Whole numbers: If the number is `1704.00` and the direction is Nearest, the rounded value is `1700.00`.
* Whole numbers: If the number is `1705.00` and the direction is Nearest, the rounded value is `1710.00`.
* Decimal numbers: If the number is `1700.14` and the direction is Nearest, the rounded value is `1700.10`.
* Decimal numbers: If the number is `1700.15` and the direction is Nearest, the rounded value is `1700.20`.
  {% endtab %}
  {% endtabs %}


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