Texas Instruments TI-89 Titanium Graphing
Calculators Review
The Texas Instruments
TI-89 Graphing calculator is packed with features,
which most people are ignorant of. It is one of the most
advanced models of Texas Instruments graphing calculators.

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Graphing Calculator
Average Customer Review
(136 customer reviews)
You can perform simple functions like statistical
calculations, algebra, basic math, matrices, graphs, and
calculus. You get additional features like animation creators,
3 dimensional rotations of graphs, and plotting of contours.
Since it specializes in graphs, you will get to do many
variations in this device. You can use your device for
differential equation graphing, parametric graphing, basic
graphing, polar graphing, three-dimensional graphing, and other
mathematical graphing.
The TI-89 is
armed with variable management function, drawing of tables,
split screen display function, advanced programming ability,
numeric solvers, symbolic manipulations, text editors, various
measurement units, data plotting capability, and constants. You
can connect the TI 89 graphing calculator with other
calculators or to the PCs.
One of the most talked about feature of the TI 89 graphing
calculator is the Flash technology. This technology helps
students to keep their devices updated with the latest software
and applications. It has a FLASH memory of 2.7 MB and a RAM of
188 KB. The TI 89 Titanium has three times more memory space as
compared to the usual TI 89. This makes storing data and
programs and documents easier.
The menu in the TI 89
Titanium can be customized according to the will
of the user. The Programs Editor helps students to personalize
the applications that they have included in the graphing
calculator. It has CellSheets, EEPro for students of electrical
engineering, and organizer and simultaneous solver of
equations. It has other applications like NoteFolio, Language
Localization, calendar, planner, StudyCards, and Math guides.
All these software applications are upgradable.
The size and resolution of the LCD of the TI 89 Titanium is
very impressive. The LCD is so made that it can be seen under
various lighting conditions. The input and output port of the
graphing calculator allows the transfer of data to other
calculators and computers. The TI 89 Titanium is compatible
with the models of the TI-89
series and the TI 92 series.
The TI 89 Titanium is protected with a hard sliding cover.
Since this device is meant for the use of students, it often
seems to get knocked at corners or in bags. The cover makes
sure that the TI 89 is intact inspite of rough handling.
Although the TI 89 Titanium is very user friendly, it comes
with an extremely informative user manual. This has as many as
500 pages of vivid description of each function. Each chapter
in this manual helps the students to master the definitions and
the techniques. The TI 89 Titanium is meant for making
complicated calculations easier.
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