JdeBP<p><span class="h-card" translate="no"><a href="https://mastodon.social/@eduqate" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>eduqate</span></a></span> </p><p>Possibly, although one would need to check the requirements to see whether it is all non-negative or just the strictly positive values that are supposed to have the 10% floor applied to them.</p><p>Indeed, that's an extreme edge case that possibly isn't even in the requirements. In the data set that I saw someone else using, there was no row where the X cell value precisely equalled the M cell value.</p><p>But to be future-proof, one would probably need to consider having an error margin where X and M, which are rounded figures anyway after all, are close enough.</p><p>(Note, by the way, that I was coding this in a minuscule edit field in a WWW form that performs word wrap very inconveniently, not actually in Excel. If I had done it in Excel, I wouldn't have forgotten the brackets. (-:)</p><p><a href="https://mastodonapp.uk/tags/spreadsheets" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>spreadsheets</span></a> <a href="https://mastodonapp.uk/tags/ComputerProgramming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ComputerProgramming</span></a></p>