<p><a href="http://en.wikipedia.org/wiki/Precalculus%5B/url%5D">http://en.wikipedia.org/wiki/Precalculus</a>
<a href="http://en.wikipedia.org/wiki/Calculus%5B/url%5D">http://en.wikipedia.org/wiki/Calculus</a></p>
<p>Regular students take precalc in their junior year(16), then calculus AB their last year of high school.</p>
<p>Advanced students are a year ahead. Taking Calculus BC their senior year.</p>