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User Defined Function Error

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Old   August 7, 2016, 16:27
Default User Defined Function Error
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Hi all,

Making some user defined functions and hitting an issue with one of them. Just doing a pressure ratio at the same point, total/static. However it tells me "One or more values cannot be plotted: floating point exception [Invalid operation]". If I change the / symbol to either + - or * it goes away.

Ive tested the reports at the point and it gives me two non-zero values so Im stumped as to what the issue is, any ideas??
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