DEP_UI.add_elt_class(DEP_UI.elt('js-note'), 'conceal');
--></script>
<p>This page is only really interesting because it contains a Javascript
-program. You seem to have Javascript turned off, so it won't work very
-well.
+program. You seem to have Javascript turned off, so it won’t work very
+well. It only requires first-party scripts;
+see <a href="#privacy">Privacy</a> for more details.
</div>
<h3>Background</h3>
<p>For best results, roll the strip in as few passes as you can handle.
<p>You can see the <a href="rolling-eqn.html">detailed equations</a>
-used for this calculation if you're interested.
+used for this calculation if you’re interested.
<h3>Use</h3>
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>
+
+<p>There are no cookies or other trackers here. This page does not use
+externally hosted scripts, fonts, images, or anything else. The server
+has logged your IP address, which helps me fix things if they go wrong;
+mostly things work fine and the logs are discarded after a couple of
+weeks.
+
+<p>Most web browsers can save a version of this page which can be used
+offline.
+
</div>
</body>
</html>