Question about Texas Instruments TI-82 Calculator

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How do i get the cube root on my ti-82 texas calculator? there is a button for the square root but nothing for the cube or any other number. fast response would be hugely appreciated

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There's a cube root function in the MATH menu. Press the MATH key and it should be item 4.

Posted on Mar 28, 2011

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ERR: Domain when I enter (-8)^(5/3) In my TI-82 Graphing Calculator. How can fix this issue?


5/3 cannot be represented exactly. Break it up into two parts, (-8)^5 then take the cube root. Be aware that their are three roots.

Apr 06, 2017 | Texas Instruments TI-82 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

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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

I'm trying to find the cube root of 64 on my TI-30x ii s. I'm just trying to find out how to enter the root on the calculator


Enter the number 3 then hit 2nd button then the ^ button(cubed root), enter the number under the radical sign then enter.

Jul 12, 2010 | Texas Instruments TI-30 XIIS 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

1 Answer

Cube how do I cube where is the function


x-th root of a number equals the number to the power of (1/x) where x is a natural number.

square root = to the power of (1/2)
cubic root = to the power of (1/3)


May 26, 2009 | Texas Instruments TI-84 Plus 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

1 Answer

Cube roots


You use the y^x (y to the x) key along with the 2nd function key. That does the opposite operation.

So, let's pick something we know the answer to as an example. How about the cube root of 8? We know 8 = 2 X 2 X 2, so the cube root of 8 will be 2.

Here's how:

8 2nd y^x 3 =

The display will show 2.

The three is the root you want. You can put in any number, with 2 being the square root, 3 the cube root, etc.

Mar 23, 2008 | Texas Instruments TI-30XA Calculator

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