<p>I asked once but no one replied so I’m throwing it out one more time. What is it, and do we need it?</p>
<p>It may be a new thing from this year…</p>
<p>I think i remember reading that it was just a insert you can rip out of the book. Its got like the periodic table and formulas on it. But someone who actually knows should answer this one lol</p>