Texas Instruments TI84PLUSSE
Building on the hugely popular TI-83 Plus, which is perhaps the best-selling calculator of all time, the TI-84 Plus is completely compatible with its predecessor.
As low as $102.49 out of 4 sellers
User Review: This is the best price for this quality of a calculator. I would highly recommend the TI-84 plus and this one in particular due to its price. You simply can't find a lower price anywhere!!!