<p>HP scientific/engineering graphing calculators </p>
<p>[Scientific</a> and Graphing Calculators - comparison results Small & Medium Business - HP](<a href=“http://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/215348-215348-64232-30821-215351.html?dnr=1]Scientific”>http://h10010.www1.hp.com/wwpc/us/en/sm/WF04a/215348-215348-64232-30821-215351.html?dnr=1)</p>
<p>you will need it for tests and homework</p>