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Cube roots on ti89

How do i do cube roots on my ti89 calculator

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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)

Posted on Nov 14, 2009

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What you should do is just put the expression to the (1/3) power. so x^(1/3) = cube root of x

Posted on Sep 20, 2008

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I think you would be better served here:
http://ti-89.org/

There is a whole community out there who could better support you.

Posted on Sep 15, 2008

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How do i use cube root on the ti-89 calcualtor

Posted on Jul 13, 2009

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SOURCE: how do I cube root a number on my ti89 titanium

To find the cubed root of say...8, then you would type this into the calculator:

root(8,3)


Posted on Nov 13, 2009

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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

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 cube root


Use the cube-root function, which is the shifted function of the square-root key (third row, second column). For example, to find the cube root of 8, press
SHIFT [cube-root] 8 =

Jul 09, 2011 | Casio FX-115ES Scientific Calculator

2 Answers

How do you calculate the cubed root of a number or 5th root of a number?


For cube roots, use the cube-root function in the MATH menu. For example, to calculate the cube root of 8, press MATH 4 8 =

For other roots (including cube root), use the xth-root function in the MATH menu. For example, to calculate the fifth root of 32, press 5 MATH 4 3 2 =

Mar 02, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

How do i use the cube root function? i can find the square root function, but at present it does not seem that the calculator has a cube root function.


There's a cube root function as the fourth item in the MATH menu. The fifth item is a general root function.

For example, to calculate the cube root of 8, press MATH 4 8 ENTER

Feb 21, 2011 | Texas Instruments TI-84 Plus 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

2 Answers

How do I cube root a number on my ti89 titanium calculator?


To find the cubed root of say...8, then you would type this into the calculator:

root(8,3)


Nov 02, 2009 | Texas Instruments TI-86 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

2 Answers

Taking cubed roots


Well, heck, I can't answer that one but perhaps you can get a better response here:

http://ti-89.org/faq.html

(I'm glad I don't have to deal with this kind of stuff any more!)

Aug 27, 2008 | Texas Instruments TI-89 Calculator

3 Answers

How do I solve radical expression and equations using the TI89?


1. square of 12
2. cube root of 48 a raise to 5 y raise to 6
3. square root of 128 y raise to 5
4. 6th root of 9 y raise to 2
5. cube root of 24 y raise to 5
6. 10th root of 32 x raise to 5
7. 15th root of 64 x raise to 9
8. 4th root of 10000
9. cube root of 192 p raise to 5
10. cube root of 256 y raise to 12

Jul 04, 2008 | Texas Instruments TI-89 Calculator

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