Sometimes in your notes you'll need to add an equation, which can be real tricky if you try to type it. Instead, enlist the help of the Ink to Math feature.

### Write Equations

- Click in the note where you want to add an equation.
- Click the
**Draw**tab. - Expand the
**Convert**group. - Select
**Ink to Math**.The cursor automatically switches to writing mode and you can start writing out the equation

- Write out an equation.

As you write, OneNote converts your numbers and symbols to type on the fly.

### Fix Errors

You'll notice as you write that the type conversion isn't always correct.

- Click the
**Erase**button. - Click any errors.
- Click the
**Write**button. - Re-write the letter or number.
- Click
**Insert**.

The formula is added to the page and it looks a lot better than if you had tried to type it.