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  1. Matt
  2. Documentation
  3. Thursday, 01 December 2016

"NaN" or Not a Number is generally a result of an invalid equation. i.e. You are trying to divide a number by 0.

The way the math script works, if you leave a field blank, for the user to enter a value it will initially view that field as having no value and will use 0 on page load which results in a NaN result.

If you want to replace that value with something else you can easily do so by adding this to the end of your formula in the results field:

|| 0

Example:(field1 / field2) || 0

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