# Calculate math expressions as you type, in any document

PhraseExpander can detect when you type a math expression and display the result in a small label, near the cursor.

When the expression is displayed on the screen, press the confirmation key to insert it into the document.

### Customizing how results are displayed

Decide how the results are displayed by customizing:

- the decimal separator
- the thousands separator
- how many digits are used for rounding

To change the settings:

- Click on
**File → Options → Suggestions** - Edit the
**Calculate math expression as you type**section

### Disabling calc as you type

If you don't want PhraseExpander to calculate math expressions as you type, disable it by:

- Clicking on
**File→ Options→ Suggestions** - Unchecking
**Calculate math expressions as you type**