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Keystroke sequence Finding square root. Example. Sq root of 6.005. Key sequence

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Press 6 . 0 0 5 g square-root

square-root is the g-shifted function of the leftmost key on the second row.

Posted on Jun 01, 2014

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Can I find the cubic root using my TI-81 calculator?


There's a cube root function in the MATH menu. As an example, to calculate the cube root of 125, press MATH 4 1 2 5 ENTER .

Sep 16, 2011 | Office Equipment & Supplies

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How can I find the square root of 39 on my ti-30xa? Also I would like to know how to find the cube of 9482... Help


Square root of 39: Press 3 9 [square-root] =
[square-root] is the key just to the left of the divide key.

Cube root of 9482: Press 9 4 8 2 2nd [cube-root] =
[cube-root] is the shifted function of the 0 key.

For other roots, you can use the [nth-root] function, the shifted function of the key above the divide key. For example, to calculate the fourth root of 16, press 1 6 2nd [nth-root] 4 =

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

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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

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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:

2ND [square-root] ( 8 7 . 3 4 / 5 ) ENTER

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

The first sequence takes the square root of 87.34/5, the second sequence calculates 87.34/5 then takes the square root of the result.

Dec 15, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Finding the square root


Use the square-root function, which is the shifted function of the x^2 key just to the left of the 7 key.

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

Nov 23, 2010 | Texas Instruments TI-30 XIIS Calculator

1 Answer

How do I find the square root of a number? and how do I enter scientific equations?


For square roots, use the square root key just to the left of the divide key. For example, 4 square-root = will give you 2.

The calculator doesn't have any way to store equations, scientific or otherwise. If you mean scientific notation, use the EE key just above the 7 key to enter exponents. For example, to enter 1.23x10^6, press 1 . 2 3 EE 6. For negative exponents, make sure to use the +- key to the right of the decimal point instead of the - key.

Sep 22, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

How to find nth root using Casio FX-83ES


You use the power root function key accessible with the key sequence [SHIFT][X ^]. I am inserting a screen capture from the manual to show you the sequence.

On the third line of the capture (power root) is the key you must press. In the small rectangle to the left of the radical sign you enter the order of the root: 2 for square root, 3 for cube root, 4 for 4th root and son on.

To calculate the decimal log you use the [LOG] key as shown on capture. For natural log (ln), use the [LN] key. The argument (2/3) in your example should be enclosed inside the parentheses.
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Jun 04, 2010 | Casio fx-300ES Calculator

1 Answer

How do i do a number 'to the power of 1/2 or 2/3? cheers Brad


Power 1/2 is the same as square root: You can use the square root key to the left of the square key.
Similarly power 1/3 is the cube root. You use the [SHIFT][Square root] key sequence.
Power 2/3 is the square of the cube root, or the cube root of the square.

More generally, you can use the universal power key, marked with X with a raised white rectangle. It is between X square and log.

Ex: Calculate 15^(2/3)
15 [X with raised rectangle] 2 [/] 3 [)] [=]; the result is 6.082
The last parenthesis closes the left parenthesis introduced by the calculator.
Alternatively you can use the cube root and the x-root selections available under the MATH menu.(selections 4 and 5)
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Mar 14, 2010 | Casio FX-115ES Scientific Calculator

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