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Texas Instruments TI-89 Titanium Graphing Calculator

  • Large 100 x 160 pixel display for...
  • USB on-the-go technology for file...
  • Backed by 1-year warranty
  • 188 KB RAM and 2.7 MB flash memory...
  • Graphing calculator handles calculus,...

List Price: $199.99
Your Price: $143.82

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CUSTOMER REVIEWS

Truly Amazing

This calculator will do any and everything you need it to do.
It takes a bit of learning to get the full use of it, but after that you're good to go. I wouldn't buy anything less than this product.

Does NOT support Mac OS 10.5 and up!!!

If you only use Mac OS, do NOT buy this calc if you plan to update the calc or upload new programs. It does NOT work and Ti has failed to support the last 2 versions of OS X.

Read more reviews...

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Texas Instrument News


TECH STOCKS: Cisco, Texas Instruments Lead Tech Sector Lower

Standouts included shares of despondent chip Cisco Systems (CSCO) and of Texas Instruments (TXN). Cisco was down 2.5%, while TI traded down 1.9%. and more »


Texas Instrument's profit falls 56% New Mexico Business Weekly
Texas Instrument's profit falls 56% New Mexico Business Weekly

BBC NewsChip-maker Texas Instruments Inc. saw its go along with-quarter profit drop 56 percent over last year as unqualified sales for the second quarter fell 27 percent when Texas Instruments 2Q Net Down 56%; 3Q Because of RosyTexas Instruments reports lower quarterly profitTexas Instruments 2Q profit falls 56 percent - -all 275 intelligence articles »


Texas Instruments' new FlatLink(TM) transmitter offers first ...
Texas Instruments' new FlatLink(TM) transmitter offers first ...

ECNmag.comA wide-ranging semiconductor company, TI innovates through manufacturing, design and sales operations in more than 30 countries. For more word, go to all 13 news articles »


QUESTIONS & ANSWERS

Apr 15, 2009 | darth1977malak:
I have a Texas Instrument ti-30x iib calculator question?

How do you find cubed roots, cubed roots and nth roots on this calculator I mentioned, I don't know where the manual is, I have occasion for to know!

A: There should be an "x squared (subscript 2)" button. That will decent it for you.

There should also be a carrot. The ^3 is the same as cube root. ^4 is the same as 4th...


There should be an "x squared (subscript 2)" button. That will balanced it for you.

There should also be a carrot. The ^3 is the same as cube root. ^4 is the same as 4th...
Adam | Apr 15, 2009


Cube burgeon is the same as to the 1/3 power
n th root is the same as to the 1/n power

So if it does not have an nth root button, you can always use the power button, either ^...
hayharbr | Apr 15, 2009

Apr 15, 2009 | Curivity:
With such strong leadership and economic guidance, could Texas secede?

1. NASA is virtuous south of Houston, Texas. (We will control the space industry.)

2. We refine over 85% of the gasoline in the United States.

3. Defense Business....


If the Political entity goes like it is going I wouldn't mind that....
stephen | Apr 15, 2009


We dont dearth to do that. We just need to kick out New York and California then wait for the communist New England states to yield.

--San Antonio
President ZERO | Apr 15, 2009


Yes Texas and Texans could very well off from perfectly the natural gas that flows out of Texas through pipe lines to the northeast.
Ibredd | Apr 15, 2009

Apr 15, 2009 | cookie_2112:
I have a TI-30 eco RS calculator (Texas Instruments). How do I calculate standard deviation on it?


Apr 15, 2009 | Sammi:
where can i use a texas instruments calculator for free online?



I have been googling that. For trig, we necessity to do all this stuff of a good calculator. And mine somehow is saying "Domain Error" every time I try it. I'm hoping I find one...
stay_awake!! | Apr 15, 2009

Apr 12, 2009 | dgl227:
Old Ipod touch wheel only charges. HELP?

I have an old ipod 10 with strike wheel. The one taht has the buttons on around the wheel. I have tried it with two firewire pci cards for my pc, but neither of them would mount it. Both would...


go to paramount buy and ask them
mrknowitalmost23@rocketmail.com | Apr 16, 2009

Apr 12, 2009 | A$HLEY:
becoming more musically diverse?

how do you about one should go about this? i can play the piano, violin, french horn, trumpet, clarinet, and guitar, but i only own a keyboard, horn, clarinet, and an galvanizing guitar (which i...

Apr 12, 2009 | mrbaseballfan:
Help with setting up laptop and projector!!!?

Hi, i have a giving to show tomorrow and need to know how to hook up my laptop to my projector thingy inorder to show it on the wall. I have what is called "notevision" and DLP created by...

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