email text from gwross' first post
Quote:
To be fair, ArcTan was not previously documented but is included in the new
PBASIC Help File that will be provided with the compiler update that will be
out soon.
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This seems to imply that the function has been around (not sure how long, but possibly always), but just wasn't documented. If you want to know 'why' it wasn't documented ... well, I can offer a few conspiracy theories, but I don't think they'll help
