Question about Texas Instruments TI-84 Plus Calculator

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How do you put in the cubed root? Or even more?

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Type the root number (say 4) then Press the MATH button. Press 5 for the xth root then type in the number you are taking the root of (say 16). Then press ENTER. For the 4th root of 16, you should get 2.

Posted on Jun 28, 2009

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How do I simplify a cubed root of a number on the fx-300ES?


It can handle square root but if result requires too much display space it will be displayed as a decimal.As to higher order roots such as cube , 4th and higher they are displayed as decimal. Sorry, there is nothing you can do about it.

Apr 18, 2012 | Casio fx-300ES 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

1 Answer

Trying to find the surface area of a sphere given the volume: V = 4/3 X pi X r cube problem given vol. find the surface area v = 5000 5000(3/4 pi =r cube the book reads: 3 cube before and the square...


Almost exactly the way it's written in the book.

In the LineIO mode press
3 SHIFT [xth-root] 5 0 0 0 * 3 / ( 4 * SHIFT [pi] ) ) =

In the MathIO mode press
SHIFT [xth-root] 3 right-arrow 5 0 0 0 * 3 / ( 4 * SHIFT [pi]) =

xth-root is the shifted function of the key just below and right of the big round cursor pad.
* is the multiply key
/ is the divide key
pi is the shifted function of the x10^x key in the middle of the bottom row

BTW there's no "square root" in this problem. There's a "cube root" or "third root". Square root is the second root.

May 14, 2011 | Casio fx-300ES 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

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

1 Answer

Why does (-64)^(2/3) report an error 2?


Hello,
Certain calculators such as the HP 48G are designed to return the complex principal root for any fractional exponent. Yours appanrently cannot handle complex roots, or is not in complex mode.
To get the real number root, compute the radicand first (-64)^2 using the x^2 key then compute the cube root using the cube root key, if there is one, or the general root key or even the general power key with exponent 1/3.

Hope it helps.
Thank you for using FixYa.

Hope

Nov 18, 2009 | Sharp Office Equipment & Supplies

1 Answer

Cube roots or higher


If you want to take the nth root, enter the root first then press math 5 and then the number you are trying to take the root of.  For example to take the 4th root of 1000, press 4, math, 5, 1000, enter.

Jan 29, 2009 | Texas Instruments TI-83 Plus 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

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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