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How to insert an equation using LaTeX in a Word document using .NET Core?

3 mins read

Syncfusion Essential DocIO is a .NET Core Word Library used to create, read, edit, and convert Word documents programmatically without Microsoft Word or interop dependencies. Using this library, you can insert an equation using LaTeX in a Word document using C#.

Steps to insert an equation using LaTeX in a Word document using C#

  1. Create a new C# Console application project. Create ASP.NET Core Web application in Visual Studio
  2. Install the Syncfusion.DocIO.Net.Core NuGet package as a reference to your project from Nuget.org.
    Add DocIO NuGet package reference to the project

Starting with v16.2.0.x, if you reference Syncfusion assemblies from trial setup or from the NuGet feed, include a license key in your projects. Refer to the link to learn about generating and registering a Syncfusion license key in your application to use the components without trail message.

  1. Include the following namespace in the Program.cs file​.
    C#
using Syncfusion.DocIO;
using Syncfusion.DocIO.DLS;
  1. Use the following code snippet to insert an equation using LaTeX in a Word document
    C#
//Open a Word document using File stream.
using (FileStream inputStream = new FileStream("../../../Input.docx", FileMode.Open, FileAccess.Read)) {
   // OPen the existing Word document.
   using (WordDocument document = new WordDocument(inputStream, FormatType.Docx))
   {
       //Create a new mathematical equation.
       WMath math = new WMath(document);
       //Set the LaTeX string to the equation .
       math.MathParagraph.LaTeX = @"f\left(x\right)={a}_{0}+\sum_{n=1}^{\infty}{\left({a}_{n}\cos{\frac{n\pi{x}}{L}}+{b}_{n}\sin{\frac{n\pi{x}}{L}}\right)}";
       //Insert the new mathematical equation to existing paragraph.
       document.LastSection.Paragraphs[2].ChildEntities.Insert(0, math);

       //Save the Word document.
       using (FileStream outputStream = new FileStream(Path.GetFullPath(@"../../../Result.docx"), FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite))
       {
           document.Save(outputStream, FormatType.Docx);
       }
   } 
}

You can download a complete working sample of insert an equation using LaTeX in a Word document from GitHub.

Take a moment to peruse the [documentation](https where you can find basic Word document processing options along with the features like mail merge, merge, split, and compare documents, find and replace text in the Word document, protect the Word documents, and most importantly, the PDF and Image conversions with code examples.

Conclusion
I hope you enjoyed learning about how to insert an equation using LaTeX in a Word document using .NET Core Word Library.

You can refer to our ASP.NET Core DocIO feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our ASP.NET Core DocIO example to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, Direct-Trac, or feedback portal. We are always happy to assist you!

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