<p>Don't forget your batteries.....a good friend of mine in June had her calculator run out 15 minutes into the math and had to leave, she was HYSTERICAL beyond words!!</p>
<p>If you have a TI-83, they should give plenty of warning before they give out. I usually recharge my batteries the night before anyway, just to be sure.</p>
<p>She LEFT? It's just SAT Math...you don't even need a calculator.</p>