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-<h2>What this program does</h2>
-
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see <a href="#privacy">Privacy</a> for more details.
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-<h3>Background</h3>
+<h2>Background</h2>
<p>When you pass round or square wire through flat rolls it gets flatter
and longer, but it also gets wider. You can exploit this to make thin
<p>You can see the <a href="rolling-eqn.html">detailed equations</a>
used for this calculation if you’re interested.
-<h3>Use</h3>
+<h2>Use</h2>
<p>Boxes with light red or white backgrounds are entry boxes for you to
type in your requirements; boxes with dark red or grey backgrounds are
inches. Whatever you use, the results are displayed to only 3 decimal
places.
-<h3>Code and credits</h3>
+<h2>Code and credits</h2>
<p>The code which makes this page work
is <a href="https://www.gnu.org/philosophy/free-sw.html">free
the text was written by Mark Wooding and Gary Wooding. The data used
to derive the computation was provided by Gary Wooding.
-<h3 id="privacy">Privacy</h3>
+<h2 id="privacy">Privacy</h2>
<p>There are no cookies or other trackers here. This page does not use
externally hosted scripts, fonts, images, or anything else. The server