... sell calculator,Texas Instruments TI-NSpire Math and Science Handheld Graphing Calculator,TI-NSpire calculator Ideal for Pre-Algebra, Algebra 1 & 2 ... , Geometry, Trigonometry, Precalculus, Calculus, Statistics, College Math, Business, Finance, Biology, Physics, Chemistry Required or permitted for use on SAT,* ACT and ... AP* exams Intuitive, computer-style interface and cursor controls ...