Formula node cannot use 'fabs '? Can someone help me?

I want to use 'fabs' of the formula node, but it appears the "undefined variable" information, showed in the following image. Anyone know how to solve? Thank you very much!

Xiaoquan wrote:

Yes, I tried.  It may be accurate to six decimal places.  I might tink this is the limit of the DBL. You know another way to increase accuracy? Thank you very much!

This is not true! Make sure that you change the display format of the indicator to show enough digits.

(right-click... display...)

(If you still have problems, please include your code with some typical data).

Tags: NI Software

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