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Texas Instruments(R) TI-89 Graphing Calculator |  | Brand: Texas Instruments
Buy Used: $96.29
as of 11/23/2009 11:31 CST details
New (2) Used (15) Refurbished (1) from $96.29
Seller: sefa79fa
Rating:  7 reviews
Media: Electronics
Shipping Weight (lbs): 2
Dimensions (in): 10.1 x 7.1 x 1.7
Model: 89/MCS/1L1/B
UPC: 033317196326
EAN: 0033317196326
ASIN: B00006IF9H
Availability: Usually ships in 1-2 business days
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| Features:
| • | TI 89 Graphing Caclulator. The most advanced TI Graphing Handheld. Ideal for calculus! | | • | Now includes USB cable for computer connectivity. 4 AAA batteries. | | • | Back-up lithium battery. CBL2 and CBR compatible. Clam Shell |
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Product Description
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. 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 sto
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| Customer Reviews:
Showing reviews 1-5 of 7
 TI 89 Calculator September 23, 2009
G. Caffrey
I bought this for my daughter who needed it for a college math class. The calculator arrived very quickly. My daughter is very pleased with the calculator. We were both very pleased with the service this company provided. I highly recommend them.
 Discontinued model September 2, 2009
James W. Jennings (Northern Virginia)
0 out of 1 found this review helpful
The TI-89 was discontinued several years ago. It has been replaced by the TI-89 Titanium, which is an improved model with more memory, etc. Even so, when new, one would have to be insane to pay this price.
Awful August 30, 2009
C. Chung (Laramie, WY USA)
0 out of 1 found this review helpful
The condition of the item was really really bad. The cap for battery and the cover were missing, and the seller didn't mention anything about it. I would not recommend this seller to any one.
 Simple, powerfull January 5, 2009
J. CAMPBELL (Honduras)
The only thing that I've never liked is that the letters in the screen are way too little, it takes time to get used to it(specially if you are a ti86 or hp's calcs former user), when compared to the newer hp models (50g and so on..) its a toy because of the lack of speed and memory(even the titanium model, try to solve a 21 degree polinomial ecuation in it... and yes some people has to deal with those monsters in real life situations) but its easier to get aroud with it.
Pros:
Easy to use.
Updatable.
Lots of free apps.
cons:
It doesnt work well with hyperbolic functions(EE needs those).
too slow.
still the best December 12, 2007
Robert G. Barker (Kennewick, Wa United States)
From 2+2 to diff q, this is the still the best calculator you can buy. It would be nice if the units were more simply accessed.
Showing reviews 1-5 of 7
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