In the Object dialog box click the Create New tab. In the Object type box click Microsoft Equation 30 and then click OK. Youll see this on the far right in the Symbols group.
In the Object type box click Microsoft Equation 30 and then click OK.
But when you open an existing document created in Word 2003 the equation menu option would be disabled. If identification error occurs click Select and Correct button then select the symbol which need to be modified and pick the correct one in the pop-up list to replace it. Professional and Linear. This tutorial demonstrates how to write a math equation using Microsoft Word 2010.