How Exactly Do The UC's Calculate GPA?

I’m worried that I’m doing it wrong because my GPA is far too generous when I use one supposed UC GPA method (adding up the 4s for As etc and dividing by the number of classes…). Yeah, does anyone know for sure this formula?

<p>Go here for the UC's official description of how it is done: </p>

<p><a href="http://www.universityofcalifornia.edu/admissions/undergrad_adm/paths_to_adm/freshman/scholarship_reqs.html%5B/url%5D"&gt;http://www.universityofcalifornia.edu/admissions/undergrad_adm/paths_to_adm/freshman/scholarship_reqs.html&lt;/a&gt;&lt;/p>