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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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    How can I create validation to limit inputting no more than 3 checkmarks in each column of a matrix?

    Asked by kathleena on November 05, 2015 at 09:10 PM
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    Answered by Sammy on November 06, 2015 at 01:26 AM

    At the moment the matrix widget dies not have the maximum and minimum selection validations.

    You might consider using the standard checkboxes as they have the maximum and minimum validation.