I noticed that the links provided on the forum are outdated and went to the State web site and found this one (as of 7/04).
http://www.state.nh.us/safety/admini...nts/rt122g.pdf
I'm sure the old ones will do but I thought I'd make you all aware there is an update.
This is a .pdf that actually lets you fill in the blank first and then print it. Unfortunately, you still have to do that math.