Question about Texas Instruments TI-30XA Calculator

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Square root How do I use the square root option?

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  • angel1979 May 19, 2008

    the square root of 216 to the 3rd power

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Thanks it workd

Posted on Feb 11, 2009

To find the square root of a number, key in the number, then touch the √X key and the square root appears on the display.
Example   49     √x           and the answer is 7.00                 78     √x                 the square root is 8.83176...

Posted on Jun 03, 2008

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SOURCE: ti-89 titanium SIN!!!!!

The answer that you have received in actuality is correct. However, it is in exact form when the answer that you were looking for was an approximation (decimal form) answer. To achieve this all you have to do is hit the alpha button (the yellow button with a diamond in the center) and then enter which will give you your desired answer :-)

Posted on Jan 15, 2008

  • 7987 Answers

SOURCE: TI-15 square root Function

Hello,
You should enter it as follows [SQRT]36 ) [ENTER/=].
If you define some function f of a variable x you write that f(x), where the parentheses enclose the so-called argument (objet on wich the function acts). It seems that on this calculator the opening parenthesis is implicit: the calculator supplies it when you press [SQRT] but does not display it (a design flaw?). However the closing parenthesis must be entered by you to signifie to the function [SQRT] that you have finished entering the argument. Weird but one can live with it.
Hope it helps.

Posted on Sep 07, 2009

  • 1 Answer

SOURCE: On my TI-30xs Texas Instruments, I cant figure out

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

Posted on Feb 18, 2010

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2 Answers

How to calculate the square root


The square root is the second function of the "3" key. To calculate the square root of 3, press 3 2ndF 3 =

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4 squre root 81


Take the fourth root. The square root, denoted by a 2 on top of the "root thing" or more commonly without a number at all, is the second root.

Usually the easiest way to calculate the fourth root is to calculate the square root of the square root. So in this case the fourth root of 81 is the square root of the square root of 81. The square root of 81 is 9, the square root of 9 is 3.

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How can you use the square root key to find the square root number?


Press 2nd [square-root], enter the number, press ) =

For example, to calculate the square root of 5, press 2nd [square-root] 5 ) =

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1 Answer

Have TI30xIIS calculator. How do I find square root of a number. For example, the square root of 9. Where is the square root? I know 3 is the square root of 9, but how do I do this on calculator. ...


To calculate the square root of 9, press
2nd [square-root] 9 ) =

The square-root is the shifted function of the x-squared key, just to the left of the 7 key. The close-parenthesis is needed to balance the open-parenthesis automatically inserted by the square-root function.

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How do a take a division problem and square root it on a TI-84 Plus Silver Edition for example 87.34/5 then square root the answer. I can do the math, but how do I take the dvision answer and square...


Two ways:

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8 7 . 3 4 / 5 ENTER then 2ND [square-root] 2ND ANS ENTER

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How do I find the square root on the TI-30XA?


Press the square-root key, enter the expression whose square root you want, then =

For example, to calculate the square root of 4,
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1 Answer

I cant figure out how to get the square root of a negative number


The square root of a negative number is an imaginary number, and the TI-30XA does not deal with imaginary numbers.

However, the square root of -x is equal to i times the square root of x. So, to calculate the square root of -4, for example, press 4 square_root = and read 2. Thus the square root of -4 is 2i.

Oct 07, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

I need help with square root functions


Hello,
The square root has a dedicated key sequence [2nd][V square root symbol]
Square root of 21.2846 is entered [2nd][V square root] 21.2846 [ENTER] .
The result is`4.614.
I suspect you want to calculate the 4th root of 21.2846. If it is the case you enter that as
21.2846 [^](1/4) =2.148
Square root can be also entered as [^](1/2)
Cube root is entered as [^] (1/3)

..
nth root is entered as [^](1/n)
Hope it helps.

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