Because you need speed,

Because you seek an evolutionary calculator ...

The TI-89 is for you !

- 2Mo of Flash ROM memory

allowing to make evolve TI-89/92 Plus to more functionalities and to later versions

- 890ko user available mem (RAM + Archive)

- Recover Memory, catalog + syntactic assistance, including for the programs ...

- Processor Motorola 68000 @ 12MHz

- FSTN Screen

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Powerful Calculations and Algebra thanks to the C.A.S. (Computer Algebra System) based on the DERIVE software.

Development, factorization, resolution, derivation, integration, Taylor, limits, linearizations ...

A function "deSolve" with multiple syntax.

Eigenvalues, Eigenvectors, LU & QR decomposition, functions of matrices (like e^, ln) ...

Symbolic result of the linear and nonlinear systems. A function "solve" with multiple syntax.

Slope field .

Method of Euler or Runga Kutta.

Animations, rotations, hidden surfaces, contour levels, wire & contours, wire frames ...

You can use units in your equations,

Automatic conversions !

Create your own unit system !

The TI-89/92 Plus uses Flash Technology, which lets you upgrade future software versions and APPlicationS without buying a new calculator. As new functionality becomes available, you can electronically upgrade your TI-89/92 Plus. Future soft versions include maintenance upgrades that will be release free or charge, as well as new APPlicationS & major future upgrades that will be available for purshase from the TI web site.

APPS Examples : Cabri Geometry four euclidian & analytic geometry ... EEPro for electricity ... Finance for financial computations... Stats with List Editor to add the TI-83/83Plus functionnalities ...