1. Open excel20 10 and click the "Insert" function.
2. Select "Formula" in the upper right corner.
3. We can see many formulas, taking the area formula of a circle as an example.
4, insert the corresponding position.
5. If there is no required formula in the built-in formula, you need to click Insert-Formula.
6. You can see the formula edit box.
7. Click "Settings"
8. Prepare the formula as required.