Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator

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Finding the second derivative on a TI-84

How do you find the second derivative on a TI-84 or a TI-84 plus? I know that for a TI-86 you can just press CALC and DER2. Please help me as soon as you can! THANK YOU SO MUCH.

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Posted on Nov 04, 2010

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Posted on Mar 04, 2009


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I am using a TI-84 Plus graphical calculator. How do I use my GC (plysmlt2) to solve a derivative? eg. d/dx(x^6+x^4)=0

There is a command called nDeriv( which you find in the catalog. To open the catalog of commands press [SHIFT][0] (CATALOG), then scroll down or press N to jump to the 1st command starting with N.
Highlight the command then press ENTER. The command echoes on the main screen. Type in the function you want to differentiate, type in a comma to separate, type the name of the vatriable (X), then type in the value at which the derivative is to be evaluated. Close the right parenthesis, then press ENTER.
This is what you see with the newer OS that has MathPrint

With the newer OS with MODE set to Classic, here is what you see.

Hope it helps.

Dec 08, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

Who invented this calculator and where it came from?

The first graphing calculator was invented by Casio Computers. of Japan in 1985 It was the Casio FX-7000.The lead engineer on the Casio 7000 development team was Hideshi Fukaya. About 5 years later, Texas Instruments introduced its first .
The Ti 84 Plus was introduced in 2004. Before the TI 84 plus there werer other graphing calculators by TI: 80/81/82/83/85/86/92/73

Aug 28, 2011 | Texas Instruments TI-84 Plus Calculator

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Find derivatives

The TI-84 does not have a Computer Algebra System and therefore cannot perform this operation.

It can however find the value of a derivative at a single point on a function. Put the function into your Y= menu and graph it. Press 2nd and Trace to go to the calc menu and choose the "dy/dx" option. Type the x-value at which you want to evaluate the derivative and press enter.

Dec 15, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Battery change tI - 84

TI calculators have an unpleasant habit of losing screen contrast whenever batteries are replaced, so that the blank screen looks exactly like it's off.

Turn the calculator on (though you won't necessarily see anything). Press and release the 2ND key. Press and hold the Up-arrow key for five seconds or so.

Mar 04, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Can the TI 84 calculate second derivatives?

I am sorry to disappoint you, the nDeriv ( function can only calculate numerical derivatives of an expression at a point. The dy/dx can do the same thing (calculate the first derivative) at one point on a displayed graph. It can be activated for graphs by pressing TRACE, then [2nd][CALC][6:dy/dx]. If you need the derivative at more than one point you have to press [2nd][CAL] [6:dy/dx] again.

What I said above concerns the native abilities of the calculator. There may be applications you can install to allow computation of 2nd derivatives. look for them on the TI site, or the archive section of Try deriv

Hope it helps.

Nov 05, 2009 | Texas Instruments TI-84 Plus Calculator

2 Answers

Find the antilog on the TI-84 Plus for finding pH in chemistry problems

I'm not specifically familiar with the TI83 or TI84 but I've used a lot of TI calculators in my time, so I'll give it a try. If your trying to find the antilog of a number in base 10 enter the number and hit the (10 to the X) button. If you're trying to find the antilog of a number in in base e (natural log), enter the number and hit the (e to the X) button.

May 29, 2009 | Texas Instruments TI-83 Plus Calculator

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I have a TI-84 Plus. need help finding sine of an angle

make sure that your mode is in degree, not radian. YOu can change it by simply press mode and move down to the degree selection and press enter.

Mar 06, 2009 | Texas Instruments TI-84 Plus Silver...

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kinda. The TI-85 programs differently, lacks a table feature, is not upgradable, has redefinable keys, has a larger screen, is smaller, energy efficient, TI-86 semi-compatible, and is older.
The TI-84+ has archive memory, flash-upgradable, FSTN (clearer) screen, 16*8 screen, USB On-The-Go compliant, almost a centimeter longer, assembly language support, and a tad bit faster.

TI-82: $89
TI-83 Plus: $79-99
Free TI-85: $0
TI-84 plus: $119.99
TI-84+SE: $129-139
TI-89 Titanium: $149

Sep 06, 2008 | Texas Instruments TI-85 Calculator

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Please help me to find the answer for my problem with TI-84:
If I'd like to work with: nDeriv(3X^3+2x^.5),X,1)
then I press Enter button, the sreen shows Error...

Please help me to get the answer for this problem. Thank you very much!

Apr 10, 2008 | Texas Instruments TI-84 Plus Calculator

1 Answer


well, the TI-84 does not do derivatives, however, the TI-89 does, if you are willing to fork over the $150 for it. It is definitely worth it if you are planning on taking Calculus BC and/or SAT II for Math Level 2.

Apr 07, 2008 | Texas Instruments TI-84 Plus Calculator

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