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.
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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.
Do you want to show empty decimals inside of your form when performing calculation. Is this the form you are working on https://www.jotform.com/63415436013649?
To achieve this you will need to check "Show empty decimal places" option inside of your Update/calculate field conditions. Open your conditions and click on MATH FUNCTIONS option (...).
Then select Option and check "Show empty decimal places" option.
You will need to do this for all of your conditions.
If I did not understood you correctly, please explain in more details what you are trying to achieve.
Hope this will help. Let us know if you need further assistance.