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How can in solve division of polynomial using Casio fx-991ms

Posted by Abubakar Badiya on

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Samuel O'Donoghue

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Http://support.casio.com/pdf/004/fx115MS_991MS_E.pdf copy and paste this address into your browser's address window and download the owner's manual

Posted on Jan 15, 2018

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Anonymous

  • 3 Answers

SOURCE: how can i use casio 991ms to solve all statistics

first off you want you calculator in SD (standard deviation) mode to do this hit mode twice and then 1.
next it is good practice to start off by clearing the memory to do this hit shift, CLR,1 and then = this will clear statistical memory
to enter values into your data set , you enter the value, then press the DT (M+) button. (note: pressing DT repeatedly will impute the same value multiple times)
once you have finished pluging in your numbers your calculator can give you statistical information about the data set.
hitting shift then 1(S-SUM) gives you three options: 1 the sum of the squares of each value 2 the sum of each value 3 the number of terms in the data set hitting shift then 2 (S-VAR) gives you three more options 1 x bar (the mean) 2 x sigma n (the population standard deviation) 3 x sigma n-1 (the sample standard deviation)
you can use these tools to solve alot of statistical problems i hope this helped
Source: http://support.casio.com/pdf/004/fx115MS_991MS_E.pdf page 28 of he pdf

Posted on Mar 30, 2011

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Anonymous

  • 1 Answer

SOURCE: m mod n in Casio fx991MS

there is one button ab/c beneath CALC... if u want to calculate 7 mod 4 then... u should press 7 then ab/c 4 and equal to
1, 3 ,4 which is 4*1=4 and 7-4=3 remainder...

Posted on Jun 29, 2009

rho_sigma

  • 2 Answers

SOURCE: casio fx-83ES

there is a button SD close to AC button, standard - decimal try it .......or
shift+mode format math IO, change it to the other option

Posted on Dec 03, 2008

Anonymous

  • 1 Answer

SOURCE: how to calculate log value in calculator with different base value

In any scientific calculator log2(n) can be  calculated with either ln or log function as follows
 
Log2(n)= ln(n) / ln(2)
 
Or
Log2(n)=log(n) / log(2)

both will give nearly the same answers

Posted on Apr 24, 2009

k24674

  • 8091 Answers

SOURCE: how to calculate inverse of a 3x3 matrix in casio

Hello,
Here is the solution for th FX-991ES.
Hello,

The error may be due to the key you used to signifie inverse. It says in the manual that you should use the key x^-1 not the one used to input general powers.
Here is screen capture from the Appendix to the manual. The picture shows the sequence of keys to press to obtain the inverse of a 2x2 matrix. It is taken from page 41 of Appendix

moz-screenshot-1.pngd2bc4ab.jpg
The matrix used in the exemple is
a_11=2 a_12=1 a_21=1 a_22=2
Here is the link to download the manual and the appendix

http://support.casio.com/manualfile.php?rgn=1&cid=004001004
The link is for FX991ES. Look there foe you manual.

Hope it helps


Posted on Sep 07, 2009

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1 Answer

Polynomials division on calculator


You need a calculator with a Computer Algebra System or CAS to be able to perform polynomial division. This calculator FX-330Ms cannot handle it: No CAS.

Oct 22, 2011 | Casio FX-300MS Calculator

2 Answers

Can casio fx-991es factor?


No it cannot factor. It does not do symbolic manipulations.If you know a bit of theory of polynomials you can find the roots of the polynomial equation. The calculator has a Solve utility. Once you have the roots, you can use your knowledge about polynomials to carry out the factorization procedure.

Aug 31, 2011 | Casio fx-300ES Calculator

1 Answer

Is my fx-300 capable of factoring trinomials?


Sorry, but no! it is not capable of factoring anything. It can however solve for the roots of a polynomial equation.Write your polynomial as P(X)= a(X² +(b/a)X+c/a) =0. Use the calculator to solve the polynomial equation X² +(b/a)X+c/a =0 and find the roots X1, and X2. You will then be able to write the original polynomial as P(X)=a(X-X1)(X-X2). Beware that by using the calculator, the values of the roots are approximate.

Mar 14, 2011 | Casio fx-300ES Calculator

1 Answer

How to find roots of a polynomial using fx 115 ms


It depends on the degree of the polynomial.
If polynomial is od degree 2 or 3 you can use the EQN mode (the equation MODE) by pressing [MODE][5:EQN] to enter Equation mode then press [3] for quadratic polynomial or [4] for a cubic one.
You will then be prompted for the various coefficients. The canonical form of these polynomials is aX^2 plus bX plus c= 0, and aX^3 plus bX^2 plus cX plus d=0.

If polynomial is of degree higher than 3, or for a general non-linear equation you must use the Solve( feature. See example #017 on page 6 of the appendix to the manual.

Nov 28, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How to set eQUATIONS MODE IN CASIO FX-991ms MODE


Press the [MODE] button 3 times then 1 to enter EQN mode. Then press the right pointing arrow. You can select the degree of the polynomial (2 or 3) or press again the right pointing arrow to select the number of unknowns for simultaneous linear equations( 2 or 3).

The form of the equations are as follows.
b8ada77.jpg


b2f292c.jpg

Jul 15, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How to calculate calculus problem by a scientific calculator fx-991ms


Hello,
If by calculus problem you mean derivatives of functions, integrals, extrema and such things, I am sorry to inform you that neither the Casio FX-300MS, nor the FX-991MS can handle them. The newer Casio calculator FX-991ES is capable of performing numerical differentiations and integrations. There also graphing calculators by Casio FX-9750G, FX-9860G as well as by Texas Instruments (TI 83 PLUS/TI84PLUS) that are reasonably performant in that area.

Hope it helps.

Oct 19, 2009 | Casio FX-300MS Calculator

1 Answer

How to factor a polynomial equation on casio fx-300es?


Hello,
The Casio FX-300ES does not handle symbolic algebra. So it cannot factor a general polynomial expression. The methods can be found in any book on Algebra.
However if you are interested in approximate factorization of quadratic and cubic polynomials, you can use the calculator to do that. It can solve aX^3 +bX^2+cX+d =0 and the quadratic equations.

If you want to factor a cubic polynomial P3(X) = aX^3+bX^2+cX+d , you write the corresponding cubic equation as aX^3+bX^2+cX=d =0 , then you divide all terms of the equation by a to obtain

X^3+(b/a)X^2+(c/a)X+(d/a)=0.

You use the calculator to solve (approximately) this equation.
Suppose you find the 3 roots X1,X2,and X3. Then the polynomial X^3+(b/a)X^2+(c/a)X+(d/a) can be cast in the factored form (X-X1)(X-X2)(X-X3) and the original polynomial P3(X) can be written as

P3(X) = a*(X-X1)(X-X2)(X-X3)

You can handle the quadratic polynomial the same way.

P2(X) =a*(X-X1)(X-X2) where X1, X2 are the two real roots

Hope it helps.

Sep 27, 2009 | Casio fx-300ES Calculator

2 Answers

M mod n in Casio fx991MS


there is one button ab/c beneath CALC... if u want to calculate 7 mod 4 then... u should press 7 then ab/c 4 and equal to
1, 3 ,4 which is 4*1=4 and 7-4=3 remainder...

Jun 29, 2009 | Casio FX-115MS Plus Calculator

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