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Casio CFX-9850GC Plus Advanced Color Graphing Calculator (Used)

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Casio CFX-9850GC Plus Advanced Color Graphing Calculator (Used) Image - Click to enlarge

This item has been discontinued by the manufacturer.

In addition to all the great features of the CS-CFX9850G, CFX-9850GC PLUS offers list based, one and two variable statistics. It also performs linear, median-median, quadratic, polynomic, cubic, quartic, logarithmic, exponential, power, logistic, and sinusoidal regressions. On top of that, CFX-9850GC+ performs financial and business functions such as Time-Value-of-Money, simple and compound interest, cash flows, and amortization. CFX9850GC PLUS also performs conversions and calculations for cost/sell/margin, days, and bonds.


  • Large 8 line by 21 character, 3 color display.
  • Standard calculations with both real and complex numbers.
  • Advanced functions available through on-screen, soft-key menus.
  • Calculations performed with numbers or lists of numbers.
  • Graph rectangular, polar and parametric equations in 3 colors.
  • Up to 20 functions can be stored, graphed and analyzed at the same time.
  • 6 Graph memories store complete function lists for up to 140 functions.
  • Graphs inequalities using shading, and calculates points of intersection.
  • Graphs of different types may be graphed on the same axis for discussion.
  • Functions can be graphed either sequentially or simultaneously.
  • 16 Zoom features including storage of 6 user defined view windows.
  • Create a table of values from given functions, and generate plots and graphs from tables of values.
  • Graphic solver finds roots, intersections, intercepts, minima, maxima, and integrals of graphed functions.
  • Dual screen shows two graphs, graph and zoom, or graph and table on the same screen.
  • Graph to table feature generates tables directly from graphed functions.
  • Overwrite graph shows functions with variable coefficients for comparison.
  • Graph functions over user defined intervals to examine piecewise continuity.
  • Matrix calculations with up to 26 matrices.
  • Calculate matrix inverses, determinants, as well as transpose, augment and perform elementary row operations on matrices.
  • Single and double variable list-based statistics calculations and linear, quadratic, cubic, quartic, logarithmic, exponential and power regressions.
  • Single and double variable statistics graphing including box and whisker plots (both mean and median type), histograms, scatter plots, X-Y lines, broken lines, median-median lines and regression curves.
  • Calculates and graphs normal distribution values and curves.
  • 3 Statistical graph memories store graph definitions.
  • List editor creates, edits and manages 36 separate data lists.
  • Data can be exchanged between list, matrix and table modes.
  • Animated, dynamic graphing of equations with variable coefficients.
  • Create tables of values, graphs and cob web plots from recursively defined sequences and summations.
  • Sketch feature draws lines, points, horizontal lines, vertical lines, circles and tangents and normals on any display.
  • First and second derivative calculations and graphing, with automatic first derivative tracing.
  • Graph and investigate properties of standard Conic Sections (parabola, hyperbola, circle, ellipse) such as focus, asymptote, axis of symmetry, slope, length of latus rectum, directrix and radius.
  • Solve for real and complex solutions to systems of up to 6 simultaneous equations or quadratic and cubic polynomials.
  • Compatible with EA100 for collecting and analyzing real world data.
  • Up to 38 Programs can be stored with size only limited by available memory.
  • Basic-like programming language includes conditional (if, then else) jumping (goto, label) and loop (for, while) commands.
  • Communications port for linking to a PC, another CFX-9850GPLUS or EA100.
  • 32KB of memory available. Constant memory is maintained even when the unit is turned off.
  • 6 Function memories store commonly used functions for use in all applications.
  • Last answer recall memory plus 26 independent variable memories.
  • Powered by 4 AAA batteries and 1 lithium backup battery to preserve memory.
  • Comprehensive guidebook and batteries included.
  • Hard plastic keys and slide case resist abuse.
  • Three-year limited warranty.
  • Up to 6 pictures can be stored and used as backgrounds for comparing graphs.
  • User-defined choice for calculating numerical and graphical integration of either Gauss-Kronrod method or Simpson's method. The Gauss-Kronrod method is the default setting.
  • Single and double variable list-based statistical calculations and linear, median-median, quadratic, cubic, quartic, logarithmic, exponential, power, logistic and sinusoidal regressions.
  • Delta List feature to examine change in elements of a list.
  • Residual List feature.
  • Advanced statistics features including: 9 hypothesis testing functions, and 6 confidence interval functions.
  • One-way analysis of variance (ANOVA).
  • Normal, Student-T, Chi-Square, Binomial, Poisson, and Geometric probability distribution functions for a total of 15 distribution functions.
  • Business and Financial functions including Time-Value-of-Money (TVM), simple and compound interest, cash flows, amortization, conversions, cost/sell/margin, days calculations and bond calculations.
  • Full screen worksheets for solving Time-Value-of-Money problems.
  • Interactive equation solver feature for solving for different variables in user-defined equations.
  • New software library: Function Simulation Graphs, Bond Calculations, Forecasting Graphs, EA-100 Programs and more.
  • Sugg Courses Include: Algebra I & II, Geometry, Trigonometry, Calculus, AP Calculus, Statistics, Physics, Engineering

Not available.

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