The key for the final is now finished. You can get it here:
You need a username and password. The password is the same as it was for the homework and keys, but the username is the word that PG and DG had the discussion about in one of the problems on the final. Email me if you’ve already blocked it out of your memory.
If you’re interested in it, you can also get the final without the answers here (same username and password):