Question 1

Is this calculator able to solve LINREG, QUADREG, and CUBICREG regressions?

Accepted Answer

Yes, this calculator does statistical regression. Push APPS, choose data/matrix, 3. New, pick any variable, enter on the table for your x and y data under c1 and c2 if you are doing quadratic regression per se. When you are ready for regression, push F5: Calc, and pick your regression type, set x... to c1, and y... to c2 per your table's field names, change Store RegEQ to ... y1(x) or y2(x) or whatever you would like to use from the drop down menu. When you are ready to process your data into a regression, press ENTER. The next window will show your coefficient values.

Question 2

Can this calculator do gamma integration and  integration of beta functons.

Accepted Answer

Yes

Question 3

I need a ti84 for my statistics class. Would this one work or just confuse me more.. ?

Accepted Answer

You could ask the instructor if the TI 89 would work ok for your class. Some classes are highly focused on instructions for a particular calculator and others are not. The instructor could tell you so.

The TI 89 will work fine for statistics. If the TI 84 is recommended for your course, that may be a better purchase cost wise and if the extra functions may make it more confusing to use.

On the other hand, if you value having more features and can zero in on the ones you need, this may be a better buy than having to buy yet another calculator for a class recommending a higher level calculator.

Question 4

What does it mean that it's programmable and what are the benefits of that over the standard ti89? My son needs this for college.

Accepted Answer

it means that you can actually program a function or a formula on to the calculator, my personally would not recommend the ti89 titanium calculator until you son is taking calc III, due to the fact that is no useful in calc I and II, because that's only dealing with 2 variable functions, I have it and didn't get fully usage until I taking calc III and general physics. TI84 is the way to go with....

ASIN	B002C2UOSW
Best Sellers Rank	#260,122 in Office Products ( See Top 100 in Office Products ) #149 in Graphing Office Calculators
Brand	Texas Instruments
Built-In Media	1 item
Calculator Type	Graphing
Color	Titanium
Compatible Devices	TI-89, Voyage 200, TI-92 Plus, TI-92, CBL2, CBR, and compatible computers
Customer Reviews	4.5 4.5 out of 5 stars (355)
Display Type	LCD
Enclosure Material	titanium
Global Trade Identification Number	03243480013086, 03243480015080
Item Dimensions L x W	10.8"L x 7.6"W
Item Type Name	TI-89 Titanium � Black
Item Weight	15.84 ounces
Manufacturer	TEXAS INSTRUMENTS INC
Mfr Part Number	FBA_TI89-TITANIUM
Model Name	FBA_TI89-TITANIUM
Model Number	23141
Number of Batteries	4 AAA batteries required.
Number of Items	1
Number of Packs	1
Power Source	Battery Powered
UPC	641438163327 001910644049 643749675391
Unit Count	1 Count

Texas Instrument Ti 89 Titanium Programmable Graphing Calculator

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