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.
You can accomplish that by following these steps:
1. Once you have added the Matrix table to your form, click on it.
2. Then, click on Input Value option in the top toolbar.
3. Finally, add the Rows and Columns properties.
See this animation to know how to do it.
Please inform us if you need further assistance with this query.