Texas Instruments TI-83 Plus
6+ Years And Still Use It Everyday.
For students in math and sciences, or for anyone new to graphing
calculators, Texas Instruments has created the TI-83 Plus--a powerful,
problem-solving tool with features for storing, graphing, and analyzing up
to 10 functions. Plus, it displays graphs and evaluates tables on a split
screen, allowing you to trace the graph and scroll through table values
The clear, readable display exhibits 12 characters and eight lines, in 64 x
96 pixels on an LCD screen. The TI-83 Plus has a pragmatic key layout
and an easy-to-use graphing interface, with a simple programming
language for creating conversion programs. The TI-83 Plus stores and
analyzes up to 10 matrices combined with data storage in lists containing
up to 999 elements per list. You can also solve equations interactively for
different variables. With the TI-83 Plus, you can view an equation, its
graph, and the coordinates all at one time. Jump from point to point by
entering a number. Several useful plot types are available, including
scatter, box-and-whisker, XY-line, histogram, and normal probability plots.
Advanced statistics and regression analysis, graphical analysis, and data
analysis are readily accessed, along with features for calculus,
engineering, financial, logarithm, trigonometry, and hyperbolic functions--
all crucial tools for advanced analysis.
With its clear display and fast processing, the TI-83 Plus incorporates
graphing tools for mathematics and science course wor k, including
statistics and finance. Incredibly useful for college boards--PSAT/NMSQT,
SAT I, SAT II, Math, IC, and IIC--the TI-83 is essential equipment for
advanced placement courses in chemistry, physics, and calculus. The
addition of the optional TI-Graph Link (software and cable) allows you to
connect the calculator to your computer, permitting the transfer of files and
data between machines. The TI-83 is powered by four AAA alkaline
batteries and one lithium battery for backup, with an automatic shutoff to
save energy. It also comes with a hard slide cover and is supported by a
one-year limited warranty. --Barbara Price
* Graphing calculator handles calculus, engineering, trigonometric, and
* Can display graphs and tables on split screen to trace graph while
scrolling through table values
* LCD screen features 64 x 96 pixel resolution for clear, readable display
* Built-in memory for storage and analysis of up to 10 matrices
* Backed by 1-year warranty
I've had mine since pre-algebra and am still using it for differential
equations and linear algebra. Although I have a ti-89 I still prefer the 83+
for its ease of use. It's also built to last. I've dropped mine on concrete, tile,
and linoleum and it still works as well as the day I bought it. The only thing
that has worn off are the rubber pads used to make sure it doesn't slip.
It works perfectly for matrix manipulation, plotting xy graphs (you can use it
to help integrate in 3-D if you know what you are doing.) One thing that
stands out is that all the buttons you will need are not in some submenu
like they are on the 89; instead on the 83+ the most you will need to do to
access things like Euler's identities or natural logs is push the 2nd button
(akin to alt on a keyboard).
The 89 does beat it in it's ability to draw detailed graphs, graph in 3-D
(which the 83+ can't do), integrate (83+ can't do) and some other things.
However, if you are taking advanced math classes most instructors will
want you to show your work so the 83+ is all you really need.
One thing I do recommend getting for this is a pack of rechargeable
batteries like the SANYO eneloop 4 Pack AA NiMH Pre-Charged
Rechargeable Batteries. Don't take this to mean that this calculator is a
battery hog, in fact I usually go a whole year without recharging them
which is great considering I use this thing almost everyday and carry it
Yes you can play simple games and yes you can store equations on this to
look at *cough* during a test *cough* but don't think that this is just a
glorified 3x5 card.
I would go so far to say that this is my most used electronic item I own. If I
ever lost mine I would overnight one from Amazon without hesitation.
Definitely a must for engineers and math majors.
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