Create equations in OneNote using Equation Tools

Sign into Microsoft365.com.

Open OneNote and open or create the notebook you would like to add equations to.

Select Insert > Equation, or press Alt + =.

• If you click the top half of the Equation button, you should get a ribbon of equation options. You can type equations using the keyboard, and you can also use the options from the ribbon for more complex mathematical symbols and operations.
  
  

• If you click the bottom half of the Equation button, you should get a drop-down menu with pre-formed equations. You can click on any one of these equations to insert them onto your page. After inserting them to your page, you edit the equations as you see fit.
  
  

In the Equation ribbon, you can click on the small arrows to open a drop-down menu with more options.

You can also click the Professional, Linear, or Normal buttons to format the equations in the way that you’d like.

Download and open the OneNote desktop app for Windows 10.

Open an existing notebook or create a new one.

Select Insert > Equation.

Select Symbols or Structures. Navigate through categories to find different symbols or structures to insert into your math equation. 

For example: To insert a basic math symbol, select Symbols, then select the Basic Math +- category. From there, select a symbol to insert.



To insert a fraction structure, select Structures, then select the Fractions category. From there, select a structure to insert.



OneNote automatically saves recently selected symbols and structures. From the Recent tab, you can view and select symbols and structures you've recently used.