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.
This is because the Form Calculation widget is rounding the value, if you would like to get the exact value, you will need to get the total with decimals.
However, if the birthday is nearly the current day, it seems to be rounding the value. Try testing it and let us know the result.