Price - £119.83

(Texas Instruments) Graphing Calculator (TI-84 PLUS Silver Edition) Fully loaded with a built-in USB port, an improved display, many preloaded Apps, and much more, the maximum performance TI-84 Plus Silver Edition is 100% compatible, keystroke-for-keystroke with the TI-83 Plus family. With the TI-84 Plus Silver Edition, all students can now share their work by connecting their handheld to any TI presentation tools for the whole class to see, fostering a collaborative learning environment. Plus, a built-in USB port makes data transfer to your computer and between handhelds easier than ever. Features; - Electronically upgradeable graphing handheld allows you to have the most up-to-date functionality and software applications (Apps). - 2.5 times the processor speed of the TI-83 Plus. - 480 KB FLASH ROM memory for data archive and storage of Apps. - 24KB of available RAM memory. - USB port for computer connectivity, unit-to-unit communication with TI-84 Plus and TI-84 Plus Silver Edition graphing handhelds, and more. - I/O port for communication with other TI products. - Internal Clock with date and time display. - TI Connectivity Cable included. Included Apps: - Cabri Jr. * Conic Graphing. - Inequality Graphing. - Probability Simulations. - Science Tools. - StudyCards. - TImeSpan. - Topics in Algebra 1, Chapter 5. - Topics in Algebra 1, Chapters 1-4. - Transformation Graphing. - 8-line by 16-character display. - Real and complex numbers calculated to 14-digit accuracy and displayed with 10 digits plus a 2-digit exponent. - Graphs 10 rectangular functions, 6 parametric expressions, 6 polar expressions, and 3 recursively- defined sequences. - Up to 10 graphing functions defined, saved, graphed and analyzed at one time. - Sequence graphing mode shows time series plot, cobweb/stair-step plot, and phase plots. - User-defined list names. Lists store up to 999 elements. - 14 interactive zoom features. - Numeric evaluations given in table format for all graphing modes. - Interactive analysis of function values, roots, maximums, minimums, integrals, and derivatives. - 7 different graph styles for differentiating the look of each graph drawn. - Horizontal and vertical split-screen options. - Stores up to 10 - 50x50 matrices. - 15 probability distribution functions including Normal, Student-t, Chi-square, Binomial, and Poisson. - Business functions including Time-Value-of-Money (TVM), cash flows, and amortization. Full screen interactive editor for solving TVM problems. - Alphabetical CATALOG of all TI handheld operations in one menu. - Powered by 4 AAA batteries with a Silver Oxide battery backup to protect RAM memory during main battery change. - Impact-resistant slide case. - Batteries included.