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.
That's possible. Here, I have created you an example form.
Feel free to clone this form to copy it in your account.
To view the calculation formula on the field "C", just click that field and click Calculate.
To view the existing conditions, check this visual guide:
Let us know if you have further questions or if you need further assistance about this.