The equation editor in Google Docs is the perfect feature for users who use mathematical equations in their documents. So you can quickly and easily insert mathematical equations into your Google online documents.
Launch your browser and go to the Google Docs home page. Open a document, click where you want to insert an equation, and then choose Insert> Equation.
Click the drop-down menus and select one of the symbols to create an equation.
After clicking Add as a symbol or operator to complete the equation.
Add another Equation Simply click the New Equation button in the toolbar.
When you're done with the Equation Editor and the Sym To hide the toolbar, click View> Show Equation toolbar to remove it.