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TI-89 Graphing Calculator TI-89 Graphing Calculator Portable calculator with large LCD display. Operating batteries and hard cover case included. Display (characters x lines)100 x 160/variable Display NotationGraphic Storage Memory188K Levels of ParenthesesUnlimited Graphs, Business Graphs, Rectangular Functions Graphs, Polar Equations Graphs, Parametric Equations Graphs, Differential Equations Interactive Zoom Programming Steps/Storage188K/384K Programming Subroutines Hypothesis Testing Confidence Interval Calculating Hyperbolic Functions Trig/Log Functions Base: Binary/Oct./Dec./Hex. Logical (Boolean) Operations Simultaneous Equations Calculus Operations Matrices Complex Numbers Polynomial (Quadratic) Equations Time-Value-of-Money Interest Rate Conversion Markup/Down Equation Editor Direct Algebraic Logic Equation Play Back Simple Scientific Function One Variable Statistic Function Size3.5w x 7.3d Replacement Batteries4 AAA (sold separately) I/O Port
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