Unlock a students capabilities on the PSAT/SAT with a TI-nspire CAS CX II. The dynamic features of a TI-nspire greatly exceed it predecessor in every aspect. It key advantage on a PSAT/SAT is SPEED. Many students use outdated technology on an evolving test that waste precious time graphing functions. The nspire is a game changer. It will take time to master it's features for the PSAT/SAT but the sample questions and step-by-step instructions should help.