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If you need to use an equation, add or write one in your Office app.
Select Insert > Equation or press Alt + =.
To use a built-in formula, select Design > Equation.
To create your own, select Design > Equation > Ink Equation.
Use your finger, stylus, or mouse to write your equation.
Select Insert to bring your equation into the file.
If you need to include math symbols or an equation in your file, add or write it in.
In your Office app, select Equation or press Alt + =.
Select Equation to choose a built-in equation.
You can also create your own.
To write one out, select Equation and then select Ink Equation.
On a touchscreen device, use your finger or a stylus to write an equation.
Otherwise, use your mouse to write one.
We'll do that now in our file.
The Math Input Control box makes sure the app understands your handwriting.
When you're ready, select Insert to bring your equation into the file.
If you need to add to or edit your equation, click on it.
The Equation Tools Design tab opens, letting you change your equation as needed.