Remove NaN error message

Is there a way to get acrobat to NOT display the "NaN" in a field?  I just it empty if the formula has a problem.

Yes, you will need a script. You get that is because you are attempting to division by zero when the field is empty, which gives a result which is not a number. Therefore, test the denominator. The custom calculation script may look like:

(function () {

    // Get the field values, as numbers
    var v1 = +getField("A").value;
    var v2 = +getField("B").value;

    if (v1 !== 0) {
        event.value = 100 * (v1 - v2) / v1;
    } else {
        event.value = "";
    }

})();

Tags: Acrobat

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