At the MDE/COATT workshop I mentioned the possibility of a free EasyTemp. I was wrong it was a free Go!Temp. The Go!Temp doesn't plug into a calculator it plugs into the USB port on a computer.
In celebration for their 25th anniversary, Vernier is giving away one of these to every school in the USA. Just go to: http://www.vernier.com/giveaway/ and register by August 31st, 2006.