Hop over to Amazon and get a deal on Texas Instruments TI-84 Plus Graphics Calculator. The all-purpose TI-84 Plus graphing calculator, ideal for math and science, features more than a dozen preloaded apps including functionality that encourages exploration of interactive geometry, inequality graphing, and real-world data collection and analysis. Ideal for middle school through college. … Continue reading Texas Instruments TI-84 Plus Graphics Calculator $88.48 Shipped Free (Reg. $150) – 16K+ FAB Ratings!