Used TI-89 - The Texas Instruments TI-89 graphing calculator can be used for many functions. The TI-89 calculator is great for students of all ages, is easy to use and is perfect for math and science classes including algebra, geometry, trigonometry, pre-calculus, calculus, physics, chemistry, and biology. This model includes 4 times the memory of the TI-84 Plus providing even more room for adding calculator programs and additional functionality. • FEATURES: Computes symbolic solutions to differential equations • Input/output port and cable; also supports optional TI-GRAPH LINK • Lots of memory for storing functions, programs, and data • Pretty Print technology displays mathematical expressions as they appear in textbooks • High-resolution display with split-screen views • Computes symbolic solutions to differential equations • TI-89 SUGGESTED COURSES: Algebra 1, Geometry, Algebra 2, Trigonometry, Pre-Calculus, Calculus, Biology, Physics, Chemistry, Statistics, AP Statistics, College Algebra, College Calculus, AP Calculus, Differential Equations, Linear Algebra,Electrical Engineering,Mechanical Engineering • EXAM ACCEPTANCE: AP Calculus*, AP Physics*, AP Chemistry*, AP Statistics*, SAT* I/II, PSAT/NMSOT* AP Calculus, AP Physics, AP Chemistry, AP Statistics and SAT are registered trademarks of the College Board, which was not involved in the production of and does not endorse this product. • Preloved Condition: Excellent! Shows little wear ~ refer to pics. 🔋Not included