Question about Texas Instruments TI-83 Plus Silver Edition Calculator

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Not the square root of any number. Both machines give the same result for the square root of 4, for example. The differences for other numbers are due to the fact that the two calculators use different processors and carry different numbers of significant digits for internal calculations. The square root of most numbers is an irrational number, with an infinite decimal representation. It has to be cut off somewhere. If you cut it off in two different places, you're going to get two different numbers (unless there happens to be zeroes where you cut...).

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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If you mean the cube root of 8, press

MATH 4 8 ENTER

and you will get 2.

If you're trying to calculate something else or using a different key sequence, please reply to this post and give further details.

MATH 4 8 ENTER

and you will get 2.

If you're trying to calculate something else or using a different key sequence, please reply to this post and give further details.

May 18, 2012 | Texas Instruments TI-83 Plus Calculator

You're not doing anything wrong. The TI-89 simply does not reduce odd powers in square roots. If you change the 13 to 14 you'll see a rather different result.

Apr 11, 2012 | Texas Instruments TI-89 Calculator

The radical symbol is used to calculate square roots. It a radical has a small 3 to the top left of it, it means cubic root. It it has a a small n or a small x to the top left of it, it means nth root.

The way any of these roots works is one of the following:

Enter a number (positive for a square root or an nth root with n even) then press the square root button. The result is then displayed.

The other way is to press the root key then enter the number whose root you wan t calculate. The result is then displayed.

If you press the square root key and a radical is displayed withy a left parenthesis, you can be sure it is the second way.

The way any of these roots works is one of the following:

Enter a number (positive for a square root or an nth root with n even) then press the square root button. The result is then displayed.

The other way is to press the root key then enter the number whose root you wan t calculate. The result is then displayed.

If you press the square root key and a radical is displayed withy a left parenthesis, you can be sure it is the second way.

Jan 26, 2012 | Texas Instruments Office Equipment &...

Use the toggle button above the enter key. It looks like 2 arrows

Feb 18, 2010 | Texas Instruments TI-30XA Calculator

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

root(8,3)

root(8,3)

Nov 02, 2009 | Texas Instruments TI-86 Calculator

Hello,

The answer I gave you was taken verbatim from the TI FAQ and knowledge base. I copied and pasted the part relevant to you calculator.

In any case, I sent an e-mail message to ti-cares@ti.com, giving the link to your original question and my answer to it. I took the liberty to copy/paste your present message. I also asked about that invalid certificate.

All we can do know is wait for their reply.

k24674.

The answer I gave you was taken verbatim from the TI FAQ and knowledge base. I copied and pasted the part relevant to you calculator.

In any case, I sent an e-mail message to ti-cares@ti.com, giving the link to your original question and my answer to it. I took the liberty to copy/paste your present message. I also asked about that invalid certificate.

All we can do know is wait for their reply.

k24674.

Oct 31, 2009 | Texas Instruments TI-89 Calculator

Come on now....there are dedicated "square" and "square root" keys on the TI-30XA....

Enter your number e.g. 4, then press the "root x" key to get 2...

Press "x squared" key to get the square of 2 = 4

There's the even more useful "y to the power x" key and it's inverse "xth root of y" key.

E.g. Enter 2, then press the "y to the power x" key, then 5, then =, answer is 32 (2 x 2 x 2 x 2 x 2). Starting with 32, pres 2nd then the "y to the power x" key, then 5, then =, answer is 2, the 5th root of 32....

Enter your number e.g. 4, then press the "root x" key to get 2...

Press "x squared" key to get the square of 2 = 4

There's the even more useful "y to the power x" key and it's inverse "xth root of y" key.

E.g. Enter 2, then press the "y to the power x" key, then 5, then =, answer is 32 (2 x 2 x 2 x 2 x 2). Starting with 32, pres 2nd then the "y to the power x" key, then 5, then =, answer is 2, the 5th root of 32....

Dec 01, 2008 | Texas Instruments TI-30XA Calculator

Ti 83 and ti84 really have no difference and operate the same. There was something different or you had varibles used by multiple programs that conflicted w/ the ti84 and it would have done the same on the ti83. If you like to rework it and need help email me at raklein62@yahoo.com

Nov 20, 2008 | Texas Instruments TI-84 Plus Silver...

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)

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

root(64,3)

Sep 15, 2008 | Texas Instruments TI-89 Calculator

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

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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