Texas Instruments TI-Nspire CX

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Take it to the test

Standardized testing organizations have approved the TI-Nspire™ CX graphing calculator for SAT®, PSAT/NMSQT®, ACT®, AP® and IB® Diploma Programme high-stakes exams. It also is approved for some state exams.


  • Color, backlit display
  • Screen size: 320 x 240 pixels (3.5" diagonal)
  • Screen resolution: 125 DPI; 16-bit color
  • Powered by the TI Rechargeable Battery (included)
  • USB port for computer connectivity, unit-to-unit communication with other TI-Nspire™ family graphing calculators
  • 100 MB storage memory / 64 MB operating memory


  • Features a dedicated programming environment as well as programming libraries for global access to user-defined functions and programs


  • Electronically upgradeable graphing handheld allows you to have the most up-to-date functionality
  • USB cable included
  • TI-Nspire™ Computer Link Software allows information to be transferred to and from a computer

Built-in functionality

  • Function, parametric, polar, sequence and 3D graphing
  • Multiple graphing functions can be defined, saved, graphed and analyzed at one time
  • User-defined list names in Lists & Spreadsheet
  • Eleven interactive zoom features
  • Numeric evaluations in table format for all graphing modes
  • Interactive analysis of function values, roots, maximums, minimums, integrals and derivatives
  • Six different graph styles and 15 colors to select from for differentiating the look of each graph drawn
  • Matrix operations: Transpose and augment matrices; use elementary row operations; find inverse, determinant and reduced row echelon forms; convert matrices to lists and vice versa; calculate eigenvalues and eigenvectors
  • List-based one- and two-variable statistical analysis, including logistic, sinusoidal, median-median, linear, logarithmic, exponential, power, quadratic polynomial, cubic polynomial, and quartic polynomial regression models
  • Three statistical plot definitions for scatter plots, xy-line plots, histograms, regular and modified box-and-whisker plots, and normal probability plots
  • Advanced statistics analysis, including 10 hypothesis testing functions, seven confidence interval functions and one-way analysis of variance
  • Eighteen probability distributions functions, including the cumulative distribution function (CDF), probability density function (PDF) and inverse probability distribution function for normal, chi-squared, t-, and F- distributions; and the CDF and PDF for binomial, geometric and Poisson distributions
  • Built-in interactive geometry capabilities
  • Quick alpha keys
  • Simple drop-down menus emulate the intuitive operation of familiar computer features
  • TI-Nspire™ Documents (.tns files) — compatible with TI-Nspire™ software, TI-Nspire™ graphing calculators and TI-Nspire™ Apps for iPad® — can be created, edited, saved and reviewed
  • Use images (.jpeg, .jpg, .bmp, .png formats) that can be overlaid with graphical elements
  • Explore mathematical expressions in symbolic form, see patterns and understand the math behind the formulas
  • Visualize of multiple representations of a single problem algebraic, graphical, geometric, numeric and written
  • Chem Box feature allows easy input chemical formulas and equations
  • Manipulate linked representations of properties to instantly update the others and show meaningful connections without switching screens (for example, grab a graphed function and move it to see the effect on corresponding equations and data lists)

Data-collection support

  • Compatible with TI-Nspire™ Lab Cradle, Vernier EasyLink® USB sensor interface and Vernier EasyTemp® USB temperature sensor systems to allow collection and analysis of real-world data


  • TI Rechargeable Battery
  • Color slide cases available
  • TI-Nspire™ Docking Station
  • TI-Nspire™ Lab Cradle

Data sheet

Model of calculator
Graphic calculator
Number of functions
more than 1000
CAS (Computer Algebra System)
Linear and quadratic equations
Complex numbers
Statistical calculations
Trigonometric functions
Power supply

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