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.
Please let us know the Form url, in which you are working. I tried to check your recent form. But seems it has been deleted.
If you want to set the maximum or minimum value, then I would suggest you to use Number field on your form. And you can set Maximum or minimum value of that, according to the below screenshot:
You can also set conditional logic on your form fields, according to the below guide:
If you have any query or need something else, feel free to revert back, with Form URL, and we will be glad to assist you further.