> For the complete documentation index, see [llms.txt](https://docs.coupler.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coupler.io/functionality/data-set/data-types-and-formatting.md).

# Data types and formatting

Coupler.io allows user to work with different data types, so you can represent your data appropriately using specified format and use proper filtering / sorting options. 

### String

String data type stands for alphanumeric characters.

*Examples:*

* `this is a string value`
* `string`
* `123text`
* `Hello!`

<div align="left"><figure><img src="/files/ZIArgmbuqbJNQEqXYsx9" alt="" width="563"><figcaption></figcaption></figure></div>

### Number <a href="#number" id="number"></a>

Number data type stands for numeric values. Coupler.io supports different data types and formats along with precision described below.

{% tabs %}
{% tab title="Integer" %}
Whole numbers.

*Examples:*

* `0`
* `-1`
* `99999999`&#x20;

<div align="left"><figure><img src="/files/iY2jgJWXDpPeqS0k4TfP" alt="" width="375"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="Decimal" %}
Numbers with a decimal point.

*Examples:*

* `0.1`
* `-0.1243`
* `11.78`

<div align="left"><figure><img src="/files/H6nKQzLFLSompeMYon6d" alt="" width="375"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="Decimal with precision" %}
Number of digits after decimal point.

*Examples:*

* precision `1.0`: 12.3
* precision `1.00:` 22.74
* precision `1.000000:` 0.851789

<div align="left"><figure><img src="/files/y7FP49KqaCJ9Q4iO1AR4" alt="" width="375"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="Percent" %}
Percent representation of a numerical value. Can be used with precision

*Examples:*

* `0.2%`
* `99%`
* `-11%`

<div align="left"><figure><img src="/files/KiA58XgE2yNl4eimXETL" alt="" width="375"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="Currency" %}
Currency representation of a numerical value. Can be used with precision

*Examples:*

* `$10`
* `UAH 12`
* `£2`&#x20;

<div align="left"><figure><img src="/files/5AAIA5ODIaF1tLmAFNz5" alt="" width="375"><figcaption></figcaption></figure></div>

{% hint style="info" %}
**Note:** Coupler.io uses USD as the default currency. If your data is in a different currency, you can change this in the column settings.

To change the currency: open **Data preview**, click the 3 lines next to the column name to **Edit column**, set **Format** to **Currency**, then select your currency from the **Currency** dropdown.
{% endhint %}
{% endtab %}
{% endtabs %}

### &#x20;<a href="#date" id="date"></a>

### Date and DateTime <a href="#date" id="date"></a>

Stands for date or datetime values.&#x20;

Make sure that you have in the source needed columns in 'Date' or 'DateTime' **ISO format** (e.g. YYYY-MM-DD, YYYY-MM-DD HH:mm).

{% tabs %}
{% tab title="Date" %}
*Examples*

* `2017-05-06`
* `1987-02-27`&#x20;

<div align="left"><figure><img src="/files/atQNaPsZDgLFDE94O2Dw" alt="" width="375"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="DateTime" %}
*Examples:*

* `2023-07-11T14:10:33.682Z`
* `2023-07-11T13:20:38.489Z`&#x20;

<div align="left"><figure><img src="/files/42gMiBQV7u0C7TeYFPdB" alt="" width="375"><figcaption></figcaption></figure></div>
{% endtab %}

{% tab title="Time Zone" %}
When dealing with Date or DateTime types, you would even have the option to specify which Time Zone to follow:

<div align="left"><figure><img src="/files/r28k2GNiH0qoG2jnDjHZ" alt="" width="375"><figcaption></figcaption></figure></div>
{% endtab %}
{% endtabs %}

### Boolean <a href="#boolean" id="boolean"></a>

Boolean type that has one of two possible logical values: true or false.

**Examples:**

* `TRUE`
* `false`
* `0`
* `t`

<div align="left"><figure><img src="/files/uSMaGtTuW2Fe71zlCoI5" alt="" width="375"><figcaption></figcaption></figure></div>


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