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    <div class="moz-cite-prefix">On 2018/10/29 23:52, Robert Helling
      wrote:<br>
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      Hi,<br class="">
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          <div class="">On 29. Oct 2018, at 22:31, Robert Helling <<a
              href="mailto:helling@lmu.de" class=""
              moz-do-not-send="true">helling@lmu.de</a>> wrote:</div>
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              !important;" class="">I can confirm the problem and here
              is a simplified version that also shows problem 1) (let’s
              deal with that first).</span></div>
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      it seems, this is a regression that was introduced sometime
      between 4.8.1 and 4.8.2. Bisecting….
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    <p>Robert,</p>
    <p>I am messing around with CNS and OTU calculations. I cannot find
      any original formulae for doing this. I have reverse-engineered
      the IANTD oxygen tables and derived formulas for CNS and OTU, but
      this is only a last-ditch alternative. Do you have any better
      information?</p>
    <p>Kind regards,</p>
    <p>willem</p>
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