# Welcome

ChemiStar is a C# library that allows you to query the periodic table in any .NET application to get details about a chemical substance quickly. To use this library, go to any page in the left side of the screen.

## <mark style="color:$primary;">Release history</mark>

Below is the release history of the library:

{% updates format="full" %}
{% update date="2026-01-29" %}

## <mark style="color:$primary;">v1.1.3 - \[9] Fluorine</mark>

<mark style="color:yellow;">General improvements</mark>
{% endupdate %}

{% update date="2025-10-27" %}

## <mark style="color:$primary;">v1.1.2 - \[8] Oxygen</mark>

<mark style="color:yellow;">General improvements</mark>
{% endupdate %}

{% update date="2025-10-25" %}

## <mark style="color:$primary;">v1.1.1 - \[7] Nitrogen</mark>

<mark style="color:yellow;">General improvements</mark>
{% endupdate %}

{% update date="2025-07-03" %}

## <mark style="color:$primary;">v1.1 - \[6] Carbon</mark>

<mark style="color:green;">Added localized strings</mark>
{% endupdate %}

{% update date="2024-10-10" %}

## <mark style="color:$primary;">v1.0.3 - \[5] Boron</mark>

<mark style="color:yellow;">Fixed a security bug related to</mark> <mark style="color:yellow;"></mark><mark style="color:yellow;">`System.Text.Json`</mark>
{% endupdate %}

{% update date="2024-09-10" %}

## <mark style="color:$primary;">v1.0.1 - \[3] Lithium</mark>

<mark style="color:green;">Added support for nullables</mark>
{% endupdate %}

{% update date="2024-08-28" %}

## <mark style="color:$primary;">v.1.0.0.1 - \[2] Helium</mark>

<mark style="color:yellow;">Fixed package repo URLs</mark>
{% endupdate %}

{% update date="2024-08-19" %}

## <mark style="color:$primary;">v1.0 - \[1] Hydrogen</mark>

The initial release of the library is now live!
{% endupdate %}
{% endupdates %}


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# Agent Instructions: 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:

```
GET https://aptivi.gitbook.io/aptivi/chemistar-manual/welcome.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
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.