Windows Forms: How to insert Math Equation in RichTextBox in C#

Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "EquationToRichTextBox" and then click OK

Step 2: Design your form as below

You need to add a math equation to wordpad -> save to .rtf file, then copy to resource of your project

Step 3: Add code to button click event handler as below

private void btnEquation_Click(object sender, EventArgs e)
{
    richTextBox.SelectedRtf = Properties.Resources.Document;
}

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