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How to find the root of a number using calculator

Find the 3rd root of 1 / 2.5 x 10^6

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(1/2.5 x 10^6)^)(1/3)=0.07368

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Posted on Mar 22, 2012

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Posted on Jan 02, 2017

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dconnol5

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SOURCE: HOW TO FIND CUBE ROOT

There is a way to do it. I believe you go into "complex" or "math" buttons. These buttons are yellow on the calculator. Therefore, to access them you must hit "2nd" then the button.

Better yet, you can also get around this dilemma another way. You can enter "the cubed root of x" by raising x to 1/3.

For example the cubed root of x = x^(1/3). It is best to place parentheses around 1/3 so the calculator knows exactly what you mean.

Another example, the "cubed root of (x + 1)" can be entered by:
(x+1)^(1/3) Note the parenteses around both (x+1) and (1/3). This applies if the radical cover both "x" and "1".

Hope this helps.

Posted on Nov 09, 2007

Anonymous

  • 3 Answers

SOURCE: 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.

Posted on May 17, 2008

Anonymous

  • 1 Answer

SOURCE: How do I calculate the square root of a number on

enter the number, press 2nd and then press the button that has the squareroot and the x in the middle (beside the AC/ON button) for example, i have to find the square root of 25, i press 2nd and the button and i get 5, hoped this would help :-)

Posted on Sep 20, 2009

brumed

  • 8 Answers

SOURCE: How do you use the imaginary number with the TI-84 calculator?

If you want the answer in rectangular form, set MODE a+bi and tap ENTER and QUIT. Tap square root sign, tap (-)4 and close the parenthesis and tap ENTER. The answer is shown as 2i.
If you want the answer in polar form, set MODE to re^xi and and DEGREE. Tap ENTER and QUIT. Tap the square root sign, tap (-)4, close the parenthesis, and tap ENTER. The answer shown is 2e^90i. (2 at ninety degrees). If you selected RADIAN mode, the answer would be 2e^1.57i (2 at 1.57 radians; or 2 at pi/2 radians)

Posted on Dec 20, 2009

kakima

  • 102366 Answers

SOURCE: What are the steps to find the cube root of a

Use the root function in the MATH MISC menu.

To find the 5th root of 32: enter 5 then the root function and then 32 and then ENTER to get 2.

Posted on Apr 06, 2010

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1 Answer

Convert decimals fractions standard form


If you are concerned about fraction handling and conversion to decimal representation, upgrade the OS of your calculator to 2.5x MP. As to handling of irrational numbers (such as square roots) you should visit the TIcalc.org website to look for any 3rd-party program that can do that.

Oct 03, 2013 | Texas Instruments TI-84 Plus Calculator

2 Answers

How can you take any root above the 3rd on this calculator?


You can use the SHIFTED [^] key (Xroot) . Enter the index of the root (4, 5, 6, nth), press [SHIFT][^] then the radicand.
You can also use the fact that nth-root is equivalent to a power (1/n)
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Sep 13, 2013 | Casio FX9750GII Graphic 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 enter cube root on the ti86


In the MATH MISC menu you'll find the xth-root function. Use this to find the 3rd root.

3 xth-root 8 ENTER will give 2.

Sep 13, 2010 | Texas Instruments TI-86 Calculator

2 Answers

Is there a function on the TI-30XA that will generate random nubmers?


No such function my ***!

Just click prb --> RAND randint(
If you want a random integer from 1 to ten, randint(1,10
Then you just keep clicking enter to get different numbers.

Dec 07, 2009 | Texas Instruments TI-30XA Calculator

2 Answers

How do you tak the square root of 64 or the 4 root of any other #


Hi shiny_diamon
Here is a picture of the powers and root functions of your calculator.
1.To calculate the cubic root of a number you use the key combination shown on line 5
Ex: Cubic root of 27
27 [2nd] [3 root x] [EXE]; Should get 3
2. You can use the general root key on line 7 [2nd][x Root y]
Ex: Cubic root of 125
125 [2nd][ x Root y] 3 [EXE] Should get 5
(-125) [2nd][x Root y] 3 [EXE]; Should get -5

3. You can also yse the general power key on line 6: [Y to x], but the degree of the root is entered as a fraction 1/3
Ex: cubic root of -125.
(-125) [Y to x]( 1/3) [EXE]; You should get -5

4. The [Y to x[ key is the one you use to obtain all other roots fourth, fift, tenth, n-th.
Ex: Fourth root of 256
256 [Y to x] (1/4) [EXE]: You should get 4

5. To extract the squqre root of a number you can use the key on the 3rd line [root x] or the general power key on line 6 with exponent 1/2
Exemple square root of 256
256 [Root x] [EXE] should give you 16
256 [Y to x] (1/2) [EXE] should give you 16 also

Hope that helps.
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Nov 08, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

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.


Oct 12, 2009 | Texas Instruments TI-86 Calculator

1 Answer

Cube root


http://answers.yahoo.com/question/index?qid=20071129202945AAOndt7

You can multiply a number by 1/3rd to get the cube root or

Under the MATH button, the fourth option down will give you cube root. Any n root beyond that will require the x^(1/n) method.

Feb 12, 2009 | Texas Instruments TI-83 Plus Calculator

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