Question about Texas Instruments TI-30XA Calculator

How to get the square root using a ti-30xa calculator?

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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....

Posted on Dec 31, 2008

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Hey det44 your a ******* thats on a ******* different calculator ***** ****

Posted on Mar 08, 2010

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I need help! I have a TI-30x calculator and theres no button for the square root. Theres the sign under a button, but cant find out how to work it! Anyone know?

Posted on Sep 05, 2011

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Posted on Jan 02, 2017

1. Type in the number you wish to find the square root of.

2. Press the square root button. It is located to the immediate left of the divide button.

Posted on Nov 13, 2009

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).

Posted on May 27, 2010

Press the diamond key, then press ENTER to convert a symbolic result to a decimal result. If you want them all in decimal form, press MODE then F2. Scroll down to Exact/Approx and change that setting to Approximate.

Posted on May 17, 2010

SOURCE: I need the EXACT solution

It is unclear whether your equation is:

a: ((SQRT61) - 7) / 2
or
b: ((SQRT61) / 2) - 7

For a:
Type 61 SQRT.
Subtract 7.
Equals.
Divide by 2.
Equals. (Should be 0.4051248...)

For b:
Type 61 then SQRT.
Then divide by 2.
Equals.
Then subtract 7.
Equals. (Should be -3.094875...)

Good luck.

Posted on Apr 15, 2011

SOURCE: Now that I know where

You don't want the square root. In this example, you want the sixth root.

Press 4 5 2nd [xth-root] 6 =

The xth-root is the shifted function of the y^x key, located just above the divide key.

Posted on Jun 11, 2011

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