Using the Total element, you can build any formula for your Calculator. For that, you should add available Fields and Operators via clicking on them.
The Total element contains the following attributes:
Total Description - Give the description of the total calculation
Calculator formula area - Create your own formula for the calculator
Available Operators - This field contains mathematical operators and functions that can be used in the formula
Available fields - This field contains all elements of the created calculator form with their ordered IDs.
Let's see the example of the Total element:
The result of the Total element above: