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# I keep getting syntax error on my casio fx-991-ms calculator every time I try to divide a number by root 3 what am I doing wrong? For eg 208/square root 3 say for an electrical question.

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2 0 8 / square_root 3 = works on mine. Exactly what key sequence are you trying?

Posted on Mar 10, 2017

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Posted on Jan 02, 2017

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### How do i find the square root of a number on the casio scientific calculator

If, for example, you're getting the square root of 3 as the square root of 3, press the S-D button (just above the DEL) button to convert the symbolic result to a decimal result.

If you want all results to come up in decimal, press SHIFT SETUP 2 to select the LineIO mode.

Feb 03, 2015 | Casio fx-115ES Plus Scientific Calculator

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### How do i find square root in casio fx 350 ms

Use the square-root key (three keys up from the "8" key). For example, to calculate the square root of 2, press square-root 2 =

Apr 19, 2014 | Casio FX350MS Scientific Calculator

1 Answer

### How to solve equations with two variables by usin CASIO fx901 calculater? eg- 6x+9y=2700 5x+4y=1560

The FX-901 calculator seems to be the equivalent of the FX 260 Solar sold in North America. It does fraction calculations, permutation, statistics but lack the Equation Solver.
You cannot use it to solve equations.
Casio Scientific calculators that can handle equation solving are the FX-115 and FX-991.
Simplify your first equation by dividing all its terms by 3, then use elimination to carry out the solution by hand.

Sep 02, 2012 | Office Equipment & Supplies

1 Answer

### Square root button on FX-570ES plus. trying to find out how, when using the square root button - to stop it from square rooting the entire equation... eg if i want to work out

Press right-arrow when you're done with the argument of the square root. For example, from page E-15 of the manual, to calculate 1 + square_root(2) + 3, press 1 + square_root 2 right-arrow + 3 =

Jul 21, 2012 | Casio FX570ES Scientific Calculator

1 Answer

### SYNTAX ERROR

I am willing to bet that if the calculator could talk she would tell you to stop feeding it commands that make no sense. Joking aside, each command has a certain syntax, similar to sentences you make in English: a prescribed order of the components of the sentence.

For some calculators (the older generations) you press a number then the square root key to get the square root. For the newer ones, you press the square root key. The calculator keeps waiting until you enter the radicand, then it calculates the root.
So before using the command you must know in what order to press the key sequence. If you get an error with a certain key order, do the opposite.

Now, why is the calculator giving you a syntax error always?. There could be may reasons.Try a simple addition or a multiplication. If you get a syntax error, it may be due the computational mode. You may be in statistics mode , or some other modes, I cannot begin to guess, because you say nothing about what you were doing when you get the errors.
Try to reset the calculator to get to default computational mode.

May 22, 2012 | Casio Office Equipment & Supplies

1 Answer

### Why is it that the calculator doesn't work with divisions when square rooting.

Do you mean the square root of (32-64)/-.5 ?If so, press SHIFT x^2 ( ( 3 2 - 6 4 ) / (-) . 5 ) EXE

Apr 13, 2012 | Casio FX9750GII Graphic Calculator

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### Casio fx-83es

3.28 squared is 10.7584 .
10.7584 times 40 is 430.336 .
It appears your calculator is correct. I get the same result on multiple calculators, as well as by hand.

Let's work this backwards:
431.8 divided by 40 is 10.795 .
The square root of 10.795 is about 3.28557 .

Feb 01, 2012 | Casio FX83ES Scientific Calculator

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### I dont know how to find the square root on my casio fx-300ES scientific calculator problem it wont let me square root 42 , when i square root 42 , 42 keeps coming and not the answer

To calculate a square root you press the square root key. A radical will be displayed. You type in the positive number whose root you want. Press the EXE key.

Sep 07, 2011 | Casio fx-300ES Calculator

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### My calculator fx-991 Es is showing either syntax error or dimension error while finding out the inverse of the matrix although the matrix is a square one

How about recreating the error and reporting faithfully the error message? You get a syntax error if you try to invert a matrix by using the wrong key sequence such a
[SHIFT][MATRIX][3:MatA][X to ] -1), meaning that you use the universal power key on the same row as X squared and log and between them.
To calculate the inverse of a matrix, have the name of the matrix on the command line, (see above) then press [X to -1] key one row up from [log].

Concerning your implied affirmation that if the matrix is square you should not be getting any error: You will get an error ( a Math error) if determinant of the matrix is equal to zero.

Mar 13, 2010 | Casio FX-115ES Scientific Calculator

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