Calculator add-on includes several function tags to let you perform mathematical calculations directly in fields. You will find them inside the tags selector:

The function tags included are:
{calculate( FORMULA )}
Calculates the given formula.
Parameters:
| Paremeter | Accepts | Default |
|---|---|---|
| FORMULA | The formula of your choice. List of symbols |
Examples:
| Tag | Result |
|---|---|
| {calculate( 1 + 2 * 3 – 4 )} | 3 |
| {calculate( pi * 2 )} | 6.28318530718 |
| {calculate( abs(1) + min(1,2) * max(1,2,3) )} | 3 |