# Text Editor ### Insert Mathematical Equation To insert a mathematical notation, equation, etc., to the text editor. First, go to any text editor present when creating a [class](/teacher-1/class/create-a-class.md), an [assignment](/teacher-1/assignment/create-an-assignment.md), a [material](/teacher-1/material/create-a-material.md), or a [quiz](/teacher-1/quiz/create-a-quiz.md). From there click the '**fx**' button as shown below. Choose the symbol/notation of your choice. ### Upload an image ### Insert a link To insert a link to the text editor, go to any text editor present when creating a [class](/teacher-1/class/create-a-class.md), an [assignment](/teacher-1/assignment/create-an-assignment.md), a [material](/teacher-1/material/create-a-material.md), or a [quiz](/teacher-1/quiz/create-a-quiz.md) as shown below 1. Highlight the text. 2. Click the **link** button. 3. Enter the URL (E.g, ) you want a link with the text 4. Click Save. --- # 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://docs.silid.co/teacher-1/text-editor.md?ask= ``` 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.