Texas Instruments has neat contest for students. This is the actual link: http://education.ti.com/educationportal/sweepstakes/login.jsp

AND here are some details I have cut from the information:

Students and teachers have a new reason to love math, as Texas Instruments (TI), in partnership with �NUMB3RS,� the Paramount Network Television Series for CBS, launched the �Use �NUMB3RS� Every Day for a Hollywood Get-Away� Sweepstakes. The sweepstakes provides teens and their math teachers the chance to win an all-expenses paid vacation to Hollywood.

Grand prize-winning student will receive:
� Four day, three-night trip to Hollywood for a family of four
� Round-trip air transportation
� Hotel accommodations
� Meet-and-greet with a "NUMB3RS" cast member and a visit to the filming location

One lucky teacher will receive:
� "Walk-on role" on "NUMB3RS"
� Trip to Hollywood for four