<p>i have the Ti-nspire the original blue one. I’m planing on taking the SAT math 2 subject test in may. Is the Ti-nspire fine or should I buy Ti-nspire CAS or Ti-89. What are the differences and which one is better?</p>
<p>i have the Ti-nspire the original blue one. I’m planing on taking the SAT math 2 subject test in may. Is the Ti-nspire fine or should I buy Ti-nspire CAS or Ti-89. What are the differences and which one is better?</p>