Question about Texas Instruments TI-89 Calculator

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How to calculate a square root number after pressing the 2nd button? For example, one of the problems i was asked was, 105625 all in square root by pressing 2nd, x^2 105625) and enter. But I cannot find the x^2 button on this calculator..Can i get any help please..

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Are we discussing squares or square roots?

The square root is the 2nd function of the multiply key.

There is no square function on the keyboard. Instead, simply raise the number to the second power using the ^ key just above the divide.

Posted on Sep 06, 2010

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How do i use the square root button? I don't know how to use the gray symbols above the buttons.


Press the "2ND" key at the upper-left-hand corner of the keyboard to access the second functions. For example, to calculate the square root of 2, press 2ND [square-root] 2 ENTER.

Aug 26, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Now that I know where the square root button is on my TI-30Xa, how do I calculate a "geometric mean" when the equation inclues a time period? For example the problem is setup like this: 6...


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.

Jun 11, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Can I use the HP 12c to figure out square roots of numbers


Absolutely. The square-root function is the blue g-shifted function of the y^x key, 2nd row, leftmost column.

As an example, to calculate the square root of 5, press 5 g [square-root].

Jun 06, 2011 | HP 12c Calculator

1 Answer

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 ) =

May 07, 2011 | Texas Instruments TI-30 XIIS Calculator

2 Answers

How do u use sqaure roots


  1. Press 2nd button (upper left hand corner of the device, it's the blue button)
  2. Press the x2 button (just to the left of the 7 key)
  3. Put in the number you want to square root.
  4. Press =
Hope that works for you.

Mar 01, 2011 | Texas Instruments TI-30 XIIS Calculator

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.

Feb 16, 2011 | Texas Instruments TI-30 XIIS Calculator

1 Answer

Does my ti-86 solve sq. root problems


Yes, your Ti 86 should solve square root problems. At the HOME screen press [CLEAR] [2nd] [x^2] which gives the (Square Root Symbol) to display at the Home screen. Then enter the number you want the square root of and close the bracket [ ) ] and, press the [ENTER] key.

You can even get the square root of complex numbers too. Select the correct complex format in the mode settings. For example: I'll do one in the rectangular form by enter a number as (a, b). I then will go to [2nd] [MODE] then [Arrow down] 3 times and make sure the RectC is highlighted and selected. Then quit out of the mode settings screen and enter [CLEAR] [2nd] [x^2] [ ( ] [9] [ , ] [ - ] [4] [ ) ] [ ) ] [ENTER], this displays the SQRT((9,-4)) equals (3, 2); The real part is 3 and the imaginary part 2.

Jan 09, 2011 | Texas Instruments TI-86 Calculator

1 Answer

How do I find the square root of a number?


On the leftmost side of your calculator, press the 2nd button.

Then, press the x^2 button (above it there should be a square root symbol)

Finally, type in the number you want to find the square root of

Dec 10, 2010 | Texas Instruments TI-30 XIIS Calculator

1 Answer

How do you use the TI -83 calculator to find the square root


Example to find the square root of 256 press 2nd then square root button then 256)

Sep 24, 2010 | Texas Instruments TI-83 Plus Calculator

2 Answers

How do I calculate the square root of a number on my Texas TI-34 calculator?


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 :-)

Sep 03, 2009 | Texas Instruments TI-34II Explorer Plus...

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