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.


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    Programmimg Radio Buttons

    Asked by mdcrebel on November 02, 2016 at 11:25 AM

    I would like to be able to perform a math function elsewhere in the form based on whether a radio button is (or isn't) selected.  Possible.

    radio buttons selected math math function OR
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    JotForm Support

    Answered by david on November 02, 2016 at 02:41 PM

    You can assign calculation values to your options:

    https://www.jotform.com/help/301-How-to-Assign-Calculation-Value

    And use those values in calculations.  Or, you can trigger a conditional calculation of field update when a specific selection is made:

    https://www.jotform.com/help/57-Smart-Forms-Using-Conditional-Logic