Formulator works on any browser that has a suitably updated version of Adobe's Flash Player plug-in installed (you must also have JavaScript enabled).
Click here: https://www.adobe.com/shockwave/download/alternates for a list of links to download Adobe's Flash Player plug-in based on your operating system.
If you have downloaded Adobe's Flash Player plug-in, but are still not able to access Formulator, please email FormulatorHelp@drf.com with a detailed explanation of your problem.
Please include your computer or mobile device information, plus the Windows version and browser you are currently using. If possible, please also forward a screenshot of your technical issue, or describe any error messages you may be receiving.