Question about Texas Instruments TI-89 Calculator

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How do i do cubes roots on a TI 81 - Texas Instruments TI-89 Calculator

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Use the cube root function in the MATH menu.

Posted on Aug 27, 2014

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Posted on Jan 02, 2017

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SOURCE: Graph a cubed root fuction on ti-89

Hello,
Here it is
[Diamond][Y=] enter y1=(2-X)^(1/3)
[Diamond][GRAPH]

30831a2.jpg

Hope you liked the graph

Posted on Sep 04, 2009

  • 53 Answers

SOURCE: What is the cube root function on the ti-86

look under math calc and there should be an x^3 key

Posted on Sep 29, 2009

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SOURCE: entering a cubed root into a ti-83 plus

You can enter any root by typing the number, then hitting MATH and 5, which brings up the root symbol with the x in front of it: x√. So the fifth-root would be 5 -> MATH -> 5 and then whatever number you want to get the fifth-root for: 5x√10 for example. As someone else had mentioned, you can also raise it to a rational power: 3^(1/3) which would be the same as the cubed root of 3, but you could also type: 3 -> MATH -> 5 -> 3 and get the same answer, but looking like this in your calculator: 3x√3. The option for 4 actually is a predefined cubed-root, and the one for option 5 there is the root symbol that can be used with any number before it to get any root you want. There are no parenthesis as you get when using the predefined square-root and cubed-root functions, though, so you may want to type them in yourself if entering a long string of operations in the calculator at one time to make sure the calculator doesn't include numbers under the root that you don't want it to. But I guess it depends on preference in terms of what method you choose between the rational exponents or the root symbol (and most would go with whichever seems easiest and quickest to enter), but you asked specifically how to get the cubed-root on the TI-83 Plus, so there's my best attempt at answering your question.

Posted on Oct 07, 2009

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SOURCE: how do I find the cube root button on my TI- 86

Hello,
There is a relation between roots and fractionary powers.

2nd root (square root) of X = X^(1/2) power 1/2
3rd root (cubic root) of X = X^(1/3) power 1/3
4th root of X = X^(1/4)
...
n-th root of X = X^(1/n)

Use the raise to arbitrary power key labeled as a caret [^] or [X to the y] or [Y to the x]
Hope it helps.


Posted on Oct 12, 2009

  • 60 Answers

SOURCE: how to find cubed root on a TI-89 calculator

To find the cubed root (or any root) of a number, use the root() function.

If you want the cubed root of 125, you would type:

root(125,3)

Posted on Nov 14, 2009

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I'm in a statistics class and need to find the area under a standard normal cube. I have a TI-81. How do i find that specific function?


Hey there,
You are looking for the cube root function which can be found under the MATH menu selection. the answer you get will simply need to be squared and you have your answer

Oct 03, 2013 | Texas Instruments TI-81 Calculator

1 Answer

Cube roots


The TI-89 does not have a cube root function. However, you can calculate any root simply by raising to the reciprocal of the power. For example, to calculate the cube (third) root of 125, press
5 ^ ( 1 / 3 ) ENTER

Nov 03, 2011 | Texas Instruments TI-89 Calculator

2 Answers

Can I find the cubic root using my TI-81 calculator?


There's a cube root function in the MATH menu. As an example, to calculate the cube root of 125, press MATH 4 1 2 5 ENTER .

Sep 16, 2011 | Office Equipment & Supplies

1 Answer

How can I find the square root of 39 on my ti-30xa? Also I would like to know how to find the cube of 9482... Help


Square root of 39: Press 3 9 [square-root] =
[square-root] is the key just to the left of the divide key.

Cube root of 9482: Press 9 4 8 2 2nd [cube-root] =
[cube-root] is the shifted function of the 0 key.

For other roots, you can use the [nth-root] function, the shifted function of the key above the divide key. For example, to calculate the fourth root of 16, press 1 6 2nd [nth-root] 4 =

Aug 11, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

How to find the Cube Root using TI-30XIIS


Hi there,To find the cube root, you need to press 3, then press the 2nd key, then press the ^ key (4th below the 2nd key), then press the number you want to cube root.
Cheers,Alex

Jun 06, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

Can I use the ti-30xa to find cube root, 4th roots, and 5th roots?


Use the x-root function, which is the 2nd function of the y^x key located just above the divide key. For example, to find the cube root of 8, press 8 2nd x-root 3 =

Nov 14, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

I need to know how to take cube roots on the TI-30XIIS


Use [xth-root], the shifted function of the ^ key, above and to the left of the 7 key.

For example, to calculate the cube root of 8, press 3 2nd [xth-root] 8 =

Nov 02, 2010 | Texas Instruments TI-30 XIIS Calculator

1 Answer

Finding a cube root on calculator


You can calculate cube roots by using the cube root function (the 2nd-shift of the 0 key). You can calculate arbitrary roots by using the x-root function (the 2nd-shift of the y^x key, just above the divide key).

May 27, 2010 | Texas Instruments TI-30XA Calculator

3 Answers

How to find cubed root on a TI-89 calculator


To find the cubed root (or any root) of a number, use the root() function.

If you want the cubed root of 125, you would type:

root(125,3)

Mar 06, 2009 | Texas Instruments TI-86 Calculator

4 Answers

Cube roots on ti89


The TI-89 has one function to find whatever root you want of a number.

To find the cubed root of say...64, you would type:

root(64,3)

Sep 15, 2008 | Texas Instruments TI-89 Calculator

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