Texas Instruments TI86 Graphing Calculator | 
| Brand: Texas Instruments
Category: CE
List Price: $150.00
Buy Used: $44.00
You Save: $106.00 (71%)
New (5) Used (26) Refurbished (1) from $44.00
Avg. Customer Rating:  47 reviews
Media: Electronics
Autographed: No
Memorabilia: No
Shipping Weight (lbs): 0.8
Dimensions (in): 7.3 x 3.5 x 1
MPN: TI86GRAPHICS
UPC: 033317192342
EAN: 0033317192342
ASIN: B00000JF53
Availability: Usually ships in 1-2 business days
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| Features:
| • | Graphing functions | | • | Powerful calculus features | | • | Function evaluation table | | • | 128K RAM with 96K user-available | | • | Input/output port |
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Product Description
Powerful features for calculus, advanced math, science and engineering. 8-line by 21 character display. Graphs and analyzes 99 functions, parametric equations, polar functions, and up to 9th order differential equations. Complex numbers, matrices, vectors, lists and strings. Enhanced graphing features include differential equations. 128K RAM with 96K memory. Also powerful calculus features. Battery powered (4-"AA"). TEXTI86 TEX-TI86 033317192342 3331719234 TEXTI-86 TEX-TI-86 TEXTI86 TEX-TI86
Amazon.com Product Description
Designed with power users in mind, the TI-86 graphing calculator has all the power and functionality of the popular TI-85 but with significant enhancements aimed at students of college mathematics, engineering, and science. The TI-86 includes a function evaluation table, deep entry recall, seven different graph styles with multiple line and shading options, and slope and direction fields for differential equations. In addition, the TI-86 boasts 96 KB of user-available memory--three times more than the TI-85. There's also a new function evaluation table which shows numeric output for function, polar, parametric, and differential equation modes.The TI-86 runs with programs designed for the TI-85 and includes all the same matrix features, but with a new matrix editor that allows the user to view and edit matrices in two dimensions. You can also view multiple lists and attach formulas to those lists for automatic computations. A new aspect of the TI-86 is the ability to customize product functionality with machine language programs downloaded from TI's Web site. Besides the strong graphing abilities, the TI-86 also has powerful calculus features like integration, derivatives, minimums, maximums, roots, and arcs. It also supports Z80 assembly language programming. The 64 x 128 high-contrast pixel screen displays eight lines of 21 characters each plus two levels of display menus. With the TI-86, you can link to other TI-86s and TI-85s via the input/output port, and to CBLs, CBRs, and computers. --Dana Van Nest
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| Customer Reviews: Read 42 more reviews...
 Sixteen Years & Going Strong August 5, 2008
1 out of 1 found this review helpful
I bought mine in October of 1992 as electrical engineering student. In 16 years, it has never left my side. It is intuitive to use, intelligently designed, has lots of handy features built in and is as tough as a VW Beetle. I've dropped mine (and sat on it) more times than I can remember and it has suffered no problems whatsoever.
I recently added up how much money I have earned (so far) with this calculator, and the TI-86 is easily the single most cost-effective purchase I have ever made in my life.
I've hoped for an upgraded version, such as more memory or a colored screen, but honestly there is no compelling reason to upgrade. If I ever need more, I'd probably start with a pocket PC and go from there.
After sixteen years of great service, I'd only buy another TI-86.
"Have calculator, will travel."
 Reliable, Durable, Great for Most Applications May 31, 2008
I have been using my TI-86 for 8 years now and it has never had any kind of problems.
I have left this calculator out in my car during the freezing Michigan Winters for weeks on end as well as the 100 degree Summers for the same amount of time. Never a single problem with the calculator.
The calculator has done almost everything I have needed of it all the way through Calculus and Linear Algebra. With that said, the TI-89 and others have much more utility for the high end courses, and are not hugely more expensive.
If you are going to be in a lot of college courses that have high end mathematics, then I would go for the TI-89 or other higher end calculator. If you aren't then it might be worth saving a little money on this incredibly durable calculator that will likely do everything you need it to.
Excellent calculator December 11, 2007
1 out of 2 found this review helpful
This calculator can do anything you will need for Calc I. It might even be able to do your laundry, but I'm not much of a programmer.
Solid Calculator December 9, 2007
I love my TI-86. I got my first one over 3 years ago for AP Calculus, and when the screen for that one was destroyed (stepped on, I believe), I didn't hesitate to buy the same model second hand. It has good calculus abilities, and excellent graphing features. The conversions are handy, and good to familiarize yourself with. I've dropped this calculator several times from desk height (3 feet) with no problems- it is sturdy.
I would recommend this calculator for any math student, physics student, or engineer.
Very powerful & cool November 13, 2007
This beast got me through 4 college algebra classes, 2 statistics classes, 3 science classes, and 3 accounting/finance classes. It saved my a** on more than one test. If I can find anything to complain about, it is that it does so much that it gets hard to remember how to use all the features, and I'm too lazy to pick up the instruction manual (which is the size of a paperback book) and read it. I hesitated before dropping $90 on a new one, but I'm glad I did. It's great for graphing, plotting, and will easily handle complex equations. This may be an older model, but it's still very common in classrooms everywhere, which means a lot of the professors are familiar with it and will help students properly use it. My professors did just that. As for claims that it breaks, mine has taken countless headers off the edge of my desk in classrooms onto hard tile floors, and guess what, it still works perfectly, not a scratch. Bottom line, this has more than fulfilled all my needs, and I doubt I have used more than 50% of all the available features this thing is capable of. You really can't go wrong with this.
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