The National Instruments internal documentation convention is "VIs" in
this case (check the LabVIEW manuals or any NI Web content), and we tend
to avoid the apostrophe for other technical acronyms as well (e.g.
"DLLs").
--John Lum
National Instruments
Rick Nelson wrote:
> Neat question. Strictly speaking, I think it should read "VIs"
> (because, as you pointed out, it's not possessive). But then again, I
> like to use apostrophies with acronyms to avoid confusion.
>
> Rick Nelson
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