You might try www.wolframalpha.com
If you're computing straight GPA, then it's just an average -- like this:
89+90+95+78+87 ÷ 5 = 87.8
But if you're also having to weight the grades by units taken or AP courses, it'll be more complicated.
Is there anywhere to which I can go that computes your GPA for you?
2 answers
http://www.google.com/search?hl=en&as_q=gpa+calculator&as_epq=&as_oq=&as_eq=&num=10&lr=&as_filetype=&ft=i&as_sitesearch=&as_qdr=all&as_rights=&as_occt=any&cr=&as_nlo=&as_nhi=&safe=images
Something in here may help, too.
Something in here may help, too.