Texas Instruments TI-Nspire CX II-T CAS - Black/Red

Main features:

• Graphing calculator with a powerful formal calculation engine
• Python: Integrates the Python application to program in Python directly and without adapter
• TI-Basic programming possible
• High-resolution 16-bit 3.2" colour display, 320 x 240 pixel resolution
• Powerful formal calculation engine (TI-Nspire CX II-T CAS only)
• Block CAS functionality (TI-Nspire CX II-T CAS only)
• Function, parametric, polar, sequential, 3D graphics
• Define multiple graphing functions, save, plot and analyse them at the same time
• User-defined list names in Spreadsheets & Lists
• Eleven interactive zoom functions
• Numerical evaluations in tabular form for all graphics modes
• Interactive analysis of function values, roots, maxima, minima, integrals and derivatives
• Six different graph styles and a choice of 15 colours to differentiate the appearance of each graph drawn
• Matrix operations: inverse, determinant, transpose, augment, reduced row step and elementary row operations.
• Converting matrices into lists and vice versa.
• Calculate eigenvalues and eigenvectors
• One and two variable statistical analysis from a list
• Three statistical curve definitions for scatter plots, xy plots, histograms, regular and modified quartile plots and normal probability plots
• Advanced statistical analysis, including 10 hypothesis testing functions, seven confidence interval functions and one-factor analysis of variance
• Eighteen probability distribution functions, including cumulative distribution function (CDF), probability density function (PDF) and inverse probability distribution function
• Interactive and integrated geometric features.
• Fast alphabetic keys
• Simple drop-down menus: emulate the intuitive operation of common computer functions
• TI-Nspire documents (.tns files)
• Share using the built-in email and Dropbox functionality
• Use images (in jpeg, jpg, bmp and png formats) that can be overlaid with graphics
• Explore mathematical expressions in symbolic form, see trends and understand the mathematical principles behind the formulas.
• View multiple representations of a single problem: algebraic, graphical, geometric, numerical and written.
• The Chem Box function makes it easy to enter chemical formulas and equations
• Manipulate linked representations of properties to instantly update others and present meaningful links without switching screens (e.g. enter a function in the(e.g. enter a graphical function and drag it to see the effect on the corresponding equations and data lists)
• Includes a dedicated programming environment and programming libraries for global access to user-defined functions and programs
• Free updates to the calculator and software
• Support for data collection
• Compatible with the Lab Cradle TI-Nspire interface, the Vernier EasyLink USB sensor and the Vernier EasyTemp temperature sensor to enable real-world data collection and analysis
• Memory: 90 MB storage / 64 MB operation
• Rechargeable battery
• USB port for connection to a computer
• 3-year manufacturer's warranty