Calculation value

Do you want to assign calculation values to your form fields? It is possible to assign calculation values to radio button, checkbox and drop-down fields. Inside of this guide you can find how to assign calculation values: https://www.jotform.com/help/301-How-to-Assign-Calculation-Value 

Inside of this guide you can find how to perform calculation inside of the form:

https://www.jotform.com/help/259-How-to-Perform-Calculation-in-the-Form 

If I did not understood you correctly, please explain in more details what you are trying to achieve.

Hope this will help. Let us know if you need further assistance.