Equation Editor - Microsoft Support (2024)

Insert an equation with Equation Editor

1. On the Insert tab, in the Text group, click Object.

   

2. In the Object dialog box, click the Create New tab.

3. In the Object type box, click Microsoft Equation 3.0, and then click OK.

4. Use the symbols, templates, or frameworks on the Equation toolbar to edit the equation.

5. In Word, Excel, or Outlook, to return to your document, click anywhere in the document.

   In PowerPoint, to return to the presentation, in Equation Editor, on the File menu, click Exit and Return to Presentation.

Edit an equation in Equation Editor

If you used Equation Editor to insert an equation, you can also edit that equation in Equation Editor.

1. Double-click the equation object that you want to edit.

2. Use the symbols, templates, or frameworks on the Equation toolbar to edit the equation.

3. In Word, Excel, or Outlook, to return to your document, click anywhere in the document.

   In PowerPoint, to return to the presentation, in Equation Editor, on the File menu, click Exit and Return to Presentation.

   See Also

   How to Enable Equation Editor in Microsoft WordUsing the Equation Editor in MS Word 2021 – Office TutorialTyping Mathematics in Microsoft Word - Wikibooks, open books for an open worldHow to enter mathematical equations into a Microsoft Word document | TechRepublic

Insert an equation with Equation Editor

1. On the Insert tab, in the Text group, click Object.

   

2. In the Object dialog box, click the Create New tab.

3. In the Object type box, click Microsoft Equation 3.0.

   If Equation Editor is not available, you might have to install it.

   Install Equation Editor

   1. Exit all programs.

   2. Click Add or Remove Programs in Control Panel.

   3. In the Currently installed programs box, click Microsoft Office <suite> 2007, and then click Change.

   4. On the Change your installation of Microsoft Office <suite> 2007. screen, click Add or Remove Features, and then click Continue.

   5. On the Installation Options tab, click the expand indicator (+) next to Office Tools.

   6. Click the arrow next to Equation Editor, and then click Run from My Computer.

   7. Click Continue.

   8. After the Equation Editor installation is complete, restart the Office program that you were using.

4. In the Object dialog box, click OK.

5. Use the symbols, templates, or frameworks on the Equation toolbar to edit the equation.

6. In Word, Excel, or Outlook, to return to your document, click anywhere in the document.

   In PowerPoint, to return to the presentation, in Equation Editor, on the File menu, click Exit and Return to Presentation.

Edit an equation in Equation Editor

If you used Equation Editor to insert an equation, you can edit that equation in Equation Editor.

1. Double-click the equation object that you want to edit.

2. Use the symbols, templates, or frameworks on the Equation toolbar to edit the equation.

3. In Word, Excel, or Outlook, to return to your document, click anywhere in the document.

   In PowerPoint, to return to the presentation, in Equation Editor, on the File menu, click Exit and Return to Presentation.