My TI-86 is twelve years old, and it is the greatest graphing calculator ever made

updates?This is a good product, in that it's a very useful graphing calculator that does what it's supposed to do, and does it well.

Everyone else in my Calculus3 class had TI-84's with different, more "user-friendly" graphing and programming capability, but I loved the details available on the TI-86.

It has good calculus abilities, and excellent graphing features.

TI's were superior than there previous hp48g