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<blockquote data-quote="TheHirumaChico" data-source="post: 8005436" data-attributes="member: 7022501">I threw your formula, with a minor tweak or two { =TRUNC((SQRT((1+(8*Stat)))-1)/2, 0) } into Excel and the results match up to the numbers shown in the attributes table on p. 17 in WOIN:NOW book.&nbsp; But I'm no math whiz, so I don't know by looking at this if the formula will break at some point, like at a very high number.&nbsp; The key change to the formula is that you need to truncate/floor, not round, the result to get the number of dice.I'm a Java programmer, don't really know PHP, but after a quick Google search I have come up with the following:&lt;?phpfloor(((sqrt((1+(8*Stat))))-1)/2);?&gt;You can test it out here:&nbsp; <a href="https://www.w3schools.com/php/phptryit.asp?filename=tryphp_math_pi" target="_blank">PHP Tryit Editor v1.2</a> (just replace the &quot;pi()&quot; in the page with my blue text above, and replace &quot;Stat&quot; with actual numbers to test).&nbsp; Hope this helps.</blockquote>

[QUOTE="TheHirumaChico, post: 8005436, member: 7022501"] I threw your formula, with a minor tweak or two { [COLOR=rgb(184, 49, 47)]=TRUNC((SQRT((1+(8*Stat)))-1)/2, 0)[/COLOR] } into Excel and the results match up to the numbers shown in the attributes table on p. 17 in WOIN:NOW book. But I'm no math whiz, so I don't know by looking at this if the formula will break at some point, like at a very high number. The key change to the formula is that you need to truncate/floor, not round, the result to get the number of dice. I'm a Java programmer, don't really know PHP, but after a quick Google search I have come up with the following: <?php [COLOR=rgb(44, 130, 201)]floor(((sqrt((1+(8*Stat))))-1)/2)[/COLOR][COLOR=rgb(204, 204, 204)];[/COLOR] ?> You can test it out here: [URL='https://www.w3schools.com/php/phptryit.asp?filename=tryphp_math_pi']PHP Tryit Editor v1.2[/URL] (just replace the "pi()" in the page with my [COLOR=rgb(44, 130, 201)]blue[/COLOR] text above, and replace "Stat" with actual numbers to test). Hope this helps. [/QUOTE]

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