Essential for 16-18, university and beyond, the TI-89 is the most logical graphing calculator for advanced mathematics studies. Enhanced with Flash technology, this graphing calculator gives you the flexibility to add calculator software applications and additional functionality, providing long-term value. The TI-89 is allowed for use on the AP Calculus, AP Statistics, AP Physics, AP Chemistry, PSAT/NMSQT, SAT I, SAT II Math IC & IIC.

Technical Information

Functions:

• Real and complex numeric results
• Symbolic manipulation for algebra, calculus and differential equations
• Numeric evaluation of functions in tables and data variable format
• Interactive analysis of function values, roots, maximums, minimums, integrals, derivatives, intersections, inflection points, and arc lengths
• Recursively-defined sequences access any number of previous terms
• Slope and direction fields for exploring differential equations
• List-based one- and two-variable statistical analysis, including eight regression models
• Statistics plots including scatter, xy-line, box and modified box plots
• Histograms and regression lines
• Matrix operations including inverse, determinant, transpose, augment, elementary row operations, and reduced row echelon form
• Matrix elements can be real or complex and numeric or symbolic
• Column-logic expressions in data/matrix editor are retained for automatic recalculation when values change
• Hexadecimal and binary operations and conversions

Differential Equations:

• Exact symbolic solutions of many 1st- and 2nd-order ordinary differential equations
• Solve single or systems of differential equations using Euler or Runga Kutta methods
• Graph slope fields or direction fields

Linear Algebra:

• Eigenvalues
• Eigenvectors
• Functions of matrices (like e A)
• LU or QR decompositions

3-D Rotation and Contour Plots:

• Real-time rotation of 3-D surfaces and contour graphs

Units of Measure:

• Use units in equations, symbolic computations, and unit conversions
• Select from 20 constants and over 100 units
• Create and store your own custom units

Systems of Equations:

• Solve systems of linear and nonlinear equations
• Display results in general or matrix formats

Programming

• Custom menus
• Dialog boxes
• Pop-up windows
• User-defined functions extend built-in functionality

Graph

• Parametric and polar equations
• Recursively-defined sequences
• 3-Dimensional surfaces
• Differential equations

Memory

Standard Memory: 500KB RAM702KB Flash

Display & Graphics

Display Resolution: 100 x 160 Pixel

Battery Information

Power Source: Battery
Batteries: 1 x Lithium4 x AAA

Miscellaneous

Package Contents:

• TI-89 Graphing Calculator
• Unit-to-Unit Link Cable
• Printed Mini Guidebook

Additional Information:

• Contains about 188K user-available RAM and 384K of user data archive for storing functions, programs, and data
• The CAS built into the TI-89 allows you to evaluate mathematical expressions symbolically or numerically
• Split screens allows you to view 2 applications at the same time
• The TI-89 Advanced Mathematics Software is identical to the TI-92 Plus Advanced Mathematics Software without the Geometry application
• The TI-89 ViewScreen calculators work with the TI-92 ViewScreen panels
• Link with other TI-89 or TI-92 Plus handhelds, CBL and CBR data collection devices, and computers
• Electronic upgradability of operating system including maintenance and feature upgrades
• Pretty Print shows equations and results with radical notation, stacked fractions, and superscript exponents
• Active Calculator Home history screen can hold up to 99 previous entries for deep recall
• Optional assembly language programming
• Command catalog screen to access and show "help" information for each function and command
• Memory management to create folders for specific applications or subjects
• 255 symbols in the character set including Greek, system, and international characters
• Compatible with Calculator-Based Laboratory (CBL2) and Calculator-Based Ranger (CBR) Systems to allow analysis of real-world data

Warranty

Standard Warranty: 1 Year Limited