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Square root How do I perform a square root problem?

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  • Anonymous Dec 07, 2008

    how doi solve a

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U look eofr teh button on the caluclater thats says squrae root or has its sign and if it above teh button press second and shift then the botton

Posted on Dec 02, 2008

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Where can I get instructions for using an unidentified calculator?


If it has no name , it is probably a cheap one without many features. Most basic calculators have digit keys to enter numbers, and some operation keys to specify operations to be performed on the numbers entered.
Operation keys are +(add), -(subtract), X (multiply) , and / (divide). You may have an equal sign to display the result.
You may also have a square root key.
That is about all.
For an operation +,-,x, or / you enter the first number, then the operation key, then the second number and the = key. The result will be displayed.
For a square root , enter a positive number then press the square root key.

Good luck.

Jan 28, 2016 | Calculators

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 =

May 25, 2013 | Sharp EL-738 Scientific Calculator

1 Answer

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.

Apr 18, 2013 | Calculators

1 Answer

Solve x^2-22x=10


Just complete the square
x^2-22x-10=x^2-2(x)*11+11^2-11^2-10=(x-11)^2-121-10=(x-11)^2- 131.
Use the identity a^2-b^2=(a-b)(a+b) with a=(x-11) and b= square root (131)
Solutions are x1= 11 + square root (131) and x2=11-square root (131).
By the way, the calculator you are refer to cannot perform symbolic algebra calculations.

Nov 30, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

Which button do I use for the square root button? I have to perform math problems on... geometric mean population standard deviation sample standard deviation


The square root button is two up from the 9 key, just to the left of the divide key. To calculate the square root of 2, for example, press 2 square-root =

Jun 10, 2011 | Texas Instruments TI-30XA 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

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

Were is the square root button on the TI-30XIIS and how do I solve, what is the square root of 62


Square root is the 2nd function of the square key, to the left of the 7 key. To compute the square root of 62, press 2nd [square-root] 6 2 ) =

Nov 15, 2010 | Texas Instruments TI-30 XIIS 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.

Nov 19, 2008 | Texas Instruments TI-86 Calculator

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