1, where you need to insert a formula, click the Insert menu and click the Insert Formula icon.

2. When you come to the public notice editing interface, you need to select a formula first, such as entering a root sign, and a drop-down box will pop up. By default, the software has some common styles to choose from.

3. If you feel troublesome, you can also click on the ink formula.

4. Click OK after the input is completed.

Formula insert, word document insert mathematical formula.