What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I'm not sure about what are you trying to achieve, but you are able to use calculations in your form, here is a guide that will help you with that:
Also, this guide will help you to get the submitted data as Excel/CSV/PDF file:
If this does not help, please provide us a bit more about what are you looking for, we will be glad to help you.