Casio FX9750GPlus Portable Graphing Calculator FX9750GPlus Graphing Calculator Display Characters x Lines—21 x 8 Display Notation—Graphic Storage Memory—32K Levels of Parentheses—26 Graphs, Business Graphs, Rectangular Functions Graphs, Polar Equations Graphs, Parametric Equations Graphs, Differential Equations Interactive Zoom Programming Steps/Storage—Memory Limits Programming Subroutines Confidence Interval Calculating Hyperbolic Functions Trig/Log Functions Base: Binary/Oct./Dec./Hex. Logical (Boolean) Operations Simultaneous Equations Calculus Operations Matrices—55 x 55 Complex Numbers Polynomial (Quadratic) Equations Time-Value-of-Money Cash Flows Amortization Interest Rate Conversion Markup/Down Equation Editor Direct Algebraic Logic Equation "Play Back" Simple Scientific Functions One/Two Variable Statistics Size—3-3/4w x 6-7/8d Replacement Batteries—4 AAA (sold separately) I/O Port Portable calculator with large LCD dual screen display. Shows two graphs on the same display. Includes operating batteries and protective hard case.