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.

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    How to calculate fields inside of the form?

    Asked by David   on May 11, 2016 at 02:35 PM

    Do you enable creating Facebook post surveys that enable creating calculated forms? i.e., Enter Room length, enter room width. Form calculates area

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    JotForm Support

    Answered by BJoanna on May 11, 2016 at 03:05 PM

    If I understood you correctly, you want to perform calculation inside of your form. You can use From calculation widget to perform calculation. Inside of this guide you can find how to do it: https://www.jotform.com/help/259-How-to-Perform-Calculation-in-the-Form 

    This guide can also help you to create your first form: 



    When you create your form you can add it to your Facebook page: 


    If you have some issue with setting calculation isnide of your form, please provide us ID of your form and provide us details about what you are trying to achieve and we will be happy to assist you.

    Hope this will help. Let us know if you need further assistance.