Question about Texas Instruments TI-89 Calculator

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When I differentiate or integrate using TI-89, i get in solution sometimes 0h0 or 0HFFFF, what do these mean?

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Hello,

You calculator is set to base mode Hexadecimal (numeration in base 16). Change this mode to decimal.
Press [MODE] [F2] you get the base setting at the bottom of the screen. Press [Right arrow] and select 1 (dec)When I differentiate or integrate using TI-89, i - 55db158.jpg
At this point Enter to save configuration.

Hope it helps

Posted on Sep 05, 2009

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1 Answer

V=2sin(2pi500t-45^0)


What do you want to do with this equation? Plot it? Differentiate it? Integrate it? Find its roots (there are an infinite number of them)?

Oct 23, 2013 | Texas Instruments TI-89 Calculator

1 Answer

My TI-89 does not calculate integrals, etc. for example Int(x) will result in Int(x)


Don't spell it out. Use the integral sign, available by pressing 2nd then 7.

For this example, press 2nd 7 2nd Y X ) , ) ENTER

2nd 7 gets you the integral, 2nd Y gets you the sine.

Oct 16, 2012 | Texas Instruments TI-89 Calculator

2 Answers

Why wont my ti-89 integrate


It ts easy to find solution for this problem. Type int(sin(377x-1.231),x,0.299,3.94)
See captured image below


10_6_2012_12_10_18_pm.jpg

Oct 06, 2012 | Texas Instruments TI-89 Calculator

1 Answer

I am not able to integration on my ti 89 titanium calculator...i mean its only solving simple ones and for the big ones like ((t+2)^(1/2))/e^t.....it completely messed up my calculus bc exam


Well it is just a calculator, it cannot do all the possible integrals you might think of. You may try to help it a bit by using the usual techniques that you were taught to transform the integral into another it might be able to find: change of variables, integration by parts. You cannot let the success on your AB or BC exam depend solely on the calculator.

May 09, 2012 | Texas Instruments TI-89 Calculator

1 Answer

TI-89 dimension mistmatch error


Dimension mismatch error occurs when arguments are not with same dimensions. Two or more arguments must be of the same dimension. For example, [1,2]+[1,2,3] is a dimension mismatch because the matrices contain a different number of elements. By the way, it it very easy to resolving your problem with differentiation. See captured image


2_23_2012_9_41_18_am.jpg

As a result of differentiation you had to obtained:

(3b+2c)cos2x+(3c-2b)(sin2x)e^(3x)+2ae^(2x)

Feb 23, 2012 | Texas Instruments TI-89 Calculator

1 Answer

TI-89 dimension mistmatch error


Dimension mismatch error occurs when arguments are not with same dimensions. Two or more arguments must be of the same dimension. For example, [1,2]+[1,2,3] is a dimension mismatch because the matrices contain a different number of elements. By the way, it it very easy to resolving your problem with differentiation. See captured image

2_23_2012_9_31_10_am.jpg

As a result of differentiation you had to obtained:

(3b+2c)cos2x+(3c-2b)(sin2x)e^(3x)+2ae^(2x)

Feb 23, 2012 | Texas Instruments TI-89 Calculator

1 Answer

TI 89 Titanium can not resolve indefinite integral of function arcsin(2*sqroot(x)/(1+x)). It is integrable function in finite form and partial integration giving solution...


Just a suggestion to you the expert.
You found a neat way to do something? Then write a TIP, clearly labeled so that people in need of this information will be able to find it.
It serves no purpose to pretend to ask a question and then answer it yourself. A TIP or HOW TO writeup will be the perfect venue for such a thing.
Sorry, I just did not want this illuminating procedure of yours to stay in the dark.

Nov 07, 2011 | Texas Instruments TI-89 Calculator

3 Answers

TI89 is giving wrong answer for the integral of sec(x). Please help. It gives the answer as: ln[ |cos(x) / (sin(x)-1)| ] when it should be ln[ |(sin(x)-1) / cos(x)| ]. Why is it giving the wrong...


Hi danagasta,

If my last instructions did not work then you need to reset your RAM. You are missing the negative sign and, I have no idea where you got the absolute value inside the brackets.
Yes, the absolute value are used in books and, on integral tables but, I can asure you that the Ti 89 should not have produce them in this answer.

I'll stand behind that In( -cos(x) / (sin(x)-1)) is the correct answer. You can go ahead and simplify after the calculation to get the answer you want but, that is the good answer that Ti 89 is going to give you for the integral of sec(x).

Errors that do not match the suspected, I am pretty sure that Texas Instruments would have you clear the RAM. I do not like resetting the RAM but, I could not find the cause to why you got the answer you did. And so far no other expert has produced a solution to convince me otherwise.

I was not able to come up with any of the 3 answers MiB8888 did on my Ti 89. I am not saying that they are not good answers, they are book and integral tables answers. You are not going to get them on the Ti 89.

Jan 04, 2011 | Texas Instruments TI-89 Calculator

1 Answer

I am having trouble figuring out why my ti 89 has trouble figuring out integrals. for example i know that the integral of x^2 is x^3/3+c but my ti 89 gives me the answer in a decimal of fraction form. i do...


The calculator does not give a result of an integration with a constant. The form of the result will depend ob the EXACT/APPROXIMATE mode you have selected.
In the following screen capture, your integral has been evaluated with mode set to EXACT,AUTO, and APPROXIMATE. Pay attention to the syntax.

60131ab.jpg

To set the computational mode to EXACT, press the MODE button use the Function keys F1,F2 or F3 to move from page to page, point to EXACT/APPROX and use the right arrow key to unfold the submenu, then the Up or Down arrow to select AUTO, EXACT or APPROXIMATE and press ENTER to SAVE Configuration.
If the integral cannot be found in EXACT mode, the calculator will echo the command without calculating the integral.

Apr 26, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Differentiating and Integrating Problems


Hello,
This means that you are using a non-algebraic variable in an expression. I know, I am not even paraphrasing. Exemple: if you write 2 + johnQ, where johnQ is a table of data, a picture or a GDB, graphical data base object.

8d787a6.jpg Here is an exemple where mat is a 2X2 matrix and mot is a table.
Hope it helps.

Sep 14, 2009 | Texas Instruments TI-89 Calculator

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