Question about Casio FX-115ES Scientific Calculator

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Square root How do I perform a square root problem?

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  • Anonymous Dec 07, 2008

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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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Posted on Jan 02, 2017

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The calculator does not show decimal when square rooting non-prime numbers. (fx-CG20)


You should feel happy that your calculator can perform some exact calculations. If you do not want the exact values you can press the SD key. You can also press SHIFT EXE rather than EXE alone.

Dec 07, 2016 | Office Equipment & Supplies

1 Answer

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 | Office Equipment & Supplies

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 | Office Equipment & Supplies

2 Answers

What Has The Same Value As Square Root Of 7 Multiply By Square Root Of 15


(Square root(7))*(Square root (15))=(Square root (7*15)=Square root(105)

Mar 29, 2012 | MathRescue Word Problems Of Algebra Lite

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

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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