<a href="https://en.wikipedia.org/wiki/Magic_square" class="extiw" title="w:Magic square">Magic square</a> from 10th century <a href="https://en.wikipedia.org/wiki/A.H." class="extiw" title="w:A.H.">AH</a> (16th century AD) Persian <i>Book of Wonders</i> in the Egyptian National Library, Cairo.