When doing algebra I need to use the equal sign as part of the equastion, I do not know how to make the = sign appear

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Posted on Jan 02, 2017

Let us backtrack so as to better jump.

An algebraic expression may contain one or several**algebraic terms**, separated by a plus sign or a or a minus and a sign.

Each algebraic term is the product of a constant coefficient and a power of some variable, or the powers of several variables.

Example of an algebraic term 3(x^2)(y^6)....

**If the exponents of the various powers are positive integers, the term is called a monomial. **In short no square roots, or fractionary powers of the variables appear in monomials. Thus 2/x, 3SQRT(x), or 1/x^5 are not monomials.

Finally, a polynomial is an**algebraic expression** made up of one or more monomials.

Example P(X)=(1/3)X^7-(SQRT(5)*X^4+ 16X-25 is a polynomial of degree 7 in the indeterminate/variable X

Q(X,Y)= 3(X^3)*Y^2 + 4X-5Y+10 is a polynomial of degree 5 in the variables X and Y.

An algebraic expression may contain one or several

Each algebraic term is the product of a constant coefficient and a power of some variable, or the powers of several variables.

Example of an algebraic term 3(x^2)(y^6)....

Finally, a polynomial is an

Example P(X)=(1/3)X^7-(SQRT(5)*X^4+ 16X-25 is a polynomial of degree 7 in the indeterminate/variable X

Q(X,Y)= 3(X^3)*Y^2 + 4X-5Y+10 is a polynomial of degree 5 in the variables X and Y.

Oct 01, 2014 | Office Equipment & Supplies

Look at the color of the ALPHA key, and find if there is a second = of the same color as the ALPHA key. If there is one, you enter it as part of a mathematical equality by pressing [ALPHA] followed by the key with the second = sign marking. However, I do not see the purpose since the calculator does no accept algebraic expression. To enter a function for a table, you select the computational mode as TABLE and the calculator will display **f(x)=** .

Apr 04, 2014 | Casio Brand New-Fx-82au Plus - Scientific...

All you can do with this polynomial is

To factor (x^2-3x-4) look for the divisors of -4 whose sum is -3

You cannot do that on your calculator because is does not have a Computer Algebra System or CAS.

Oct 02, 2013 | Casio FX82MS Scientific Calculator

There is no need to enter an = sign in an algebraic equation because the EL-W535 does not handle them. It has only 3 modes : The computational mode, a statistics mode and drill mode (to learn or practice operation tables). **Thus any press of the = sign will execute the command you typed.** If you just entered an expression, the = sign will have it evaluated using the current values of the variables you used. If you have not stored anything in a variable, the calculator will use 0.

You can use the 4 D keys to store a function key for example SINH^-1. You cannot even store in them an elaborate formula, just a function key or a shifted function key.

Sorry for the limitations of the calculator. To have more functions you should look for the EL-W516.

You can use the 4 D keys to store a function key for example SINH^-1. You cannot even store in them an elaborate formula, just a function key or a shifted function key.

Sorry for the limitations of the calculator. To have more functions you should look for the EL-W516.

Mar 03, 2012 | Office Equipment & Supplies

Hi there,

My name is adieh.have a great day.

I will give a simple example on how to convert your answer into decimal form. Indicated below:

Q: Simplify 1/2-5/13 convert to decimal

Answer:

Step 1: Enter 1/2 by pressing 1>a/b>2.

Step 2: Subtract by pressing - (negative sign or minus sign)

Step 3: Enter 5/13 by pressing 5>a/b>13.

Step 4: Find the difference by pressing**= (equals sign)**

**Step5: Convert to decimal by pressing (change)**

** You can find( change) on the right side of your calculator beside M+ key**

I am suggesting you to visit this website http://files.sharpusa.com/Downloads/ForHome/HomeOffice/Calculators/Manuals/Archive/cal_man_ELW535B_TeachersGuide.pdf

for you to have further knowledge about various functions of your sharp calculator since you are attending a business/algebra class.

Hope it helps.

Thank you for using fixya.

My name is adieh.have a great day.

I will give a simple example on how to convert your answer into decimal form. Indicated below:

Q: Simplify 1/2-5/13 convert to decimal

Answer:

Step 1: Enter 1/2 by pressing 1>a/b>2.

Step 2: Subtract by pressing - (negative sign or minus sign)

Step 3: Enter 5/13 by pressing 5>a/b>13.

Step 4: Find the difference by pressing

I am suggesting you to visit this website http://files.sharpusa.com/Downloads/ForHome/HomeOffice/Calculators/Manuals/Archive/cal_man_ELW535B_TeachersGuide.pdf

for you to have further knowledge about various functions of your sharp calculator since you are attending a business/algebra class.

Hope it helps.

Thank you for using fixya.

Sep 22, 2011 | Office Equipment & Supplies

You enter the problem into the calculator and when you are finished you press the equals sign to make it give you the answer to your problem.

Here is an example;

If I wanted to know what the sum (or total) was for 2 + 10+ 16 - I would enter the number 2 and then the plus sign + and then the number ten and the plus sign + and then the number sixteen and the plus sign again + and then press the equals sign which looks like this =. when I press the equals sign = the calculator gives me the answer to my question of what the total of those numbers are.

I hope this helps?

Here is an example;

If I wanted to know what the sum (or total) was for 2 + 10+ 16 - I would enter the number 2 and then the plus sign + and then the number ten and the plus sign + and then the number sixteen and the plus sign again + and then press the equals sign which looks like this =. when I press the equals sign = the calculator gives me the answer to my question of what the total of those numbers are.

I hope this helps?

Jul 16, 2011 | Casio fx-300ES Calculator

I do not own that calculator so I checked the manual. In the chapter Manual calculations it explains the use of matrices but not a single reference to eigenvalues or eigenvectors. I looked also in the advanced functions chapter but nothing on eigenvalues. I believe you will have to use the general algebraic methods for calculating eigenvalues: characteristic polynomial and its solutions. Set up the equation det (Mat A -lambda Mat I)=0 where A is your original matrix and I is the Identity matrix with same dimensions as A. The determinant will give you a polynomial equation in the eigenvalue lambda. the degree of the polynomial will be equal to the dimension of the matrix. You might want to feed the equation to the polynomial solver to find some eigenvalues.

Jun 30, 2011 | Casio Algebra FX 2.0 Calculator

It is always risky to try to answer a question about a calculator of an undisclosed model.

To be able to symbolic algebra (with variables), one needs a calculator with CAS (or Computer Algebra System). These types of calculators are special graphing calculators. ( Not all graphing calculators have a CAS.)

To get back to your question: No, you cannot do algebra with a mere scientific calculator even a recent one. All you can do is define an equation with variables A,B,C,D, Y and X and press the Solve button if it exists. The calculator will ask: Solve for X?. If you say yes, you will be prompted for the values of all letters (A,B,C,D, Y) in your equation and the calculator will search for the value of X, that makes the left side of your equation equal to the right side.

It will display the X-value and the difference L-R.

To be able to symbolic algebra (with variables), one needs a calculator with CAS (or Computer Algebra System). These types of calculators are special graphing calculators. ( Not all graphing calculators have a CAS.)

To get back to your question: No, you cannot do algebra with a mere scientific calculator even a recent one. All you can do is define an equation with variables A,B,C,D, Y and X and press the Solve button if it exists. The calculator will ask: Solve for X?. If you say yes, you will be prompted for the values of all letters (A,B,C,D, Y) in your equation and the calculator will search for the value of X, that makes the left side of your equation equal to the right side.

It will display the X-value and the difference L-R.

Oct 31, 2010 | Casio FX-115ES Scientific Calculator

You can store values in the memory locations A,B,C,D,X and Y. To access these variables, you must precede the key by pressing [ALPHA]. Thus to access Memory variable A press [ALPHA][(-)].

To store a number in memory A Press [SHIFT][RCL] (STO) . When you use the shifted key to store no need to press [ALPHA].

To recall the contents of memory A, just press [RCL] followed by [(-)]. No need to press [ALPHA]

Say you want to calculate 3 5 and assign value to memory A

3 5 [SHIFT][RCL] [(-)] A.

Similar sequences for B,C,D, X, and Y.

I am not sure about the Casio FX300ES but the FX-991ES does have a solver mode. On that calculator, to enter the = sign in an algebraic equation use the [ALPHA] key followed by a key on the top left of keypad ( Could be CALC).

I suggest you refer to the manual for the calculator for examples of use for the memory keys. Look in the separate Appendix too.

To store a number in memory A Press [SHIFT][RCL] (STO) . When you use the shifted key to store no need to press [ALPHA].

To recall the contents of memory A, just press [RCL] followed by [(-)]. No need to press [ALPHA]

Say you want to calculate 3 5 and assign value to memory A

3 5 [SHIFT][RCL] [(-)] A.

Similar sequences for B,C,D, X, and Y.

I am not sure about the Casio FX300ES but the FX-991ES does have a solver mode. On that calculator, to enter the = sign in an algebraic equation use the [ALPHA] key followed by a key on the top left of keypad ( Could be CALC).

I suggest you refer to the manual for the calculator for examples of use for the memory keys. Look in the separate Appendix too.

Oct 19, 2010 | Casio fx-300ES Calculator

Hello,

On most calculators you enter operations as you would write then on a line (a single line). This is called algebraic notation.

Say, you wante to calculate 2 +3=?

You turn your calculator on

You clear the screen if is cluttered. (there is a button for that sometines labeled A/C or AC, which stand for Clear All.

You Press the key for number 2 then the key for the plus sign, then the key for 3. You get the result after you press = or ENTER or EXE on Casio calculators. Once you do, that the screen displays 5, the summ of 2 and 3.

Tu summarize (The content of each bracket [] is a key you press.

[2][+][3]= ----> 5 Addition: 2+3=5

[3][x][9]= ----> 27 Multiplication 3 times 9 equals 27

[1][8][/][2]= --->9 Division 18 divided by 2 equals 9

[3][3][-][9]= ---> 24

Hope you will enjoy using your calculator

On most calculators you enter operations as you would write then on a line (a single line). This is called algebraic notation.

Say, you wante to calculate 2 +3=?

You turn your calculator on

You clear the screen if is cluttered. (there is a button for that sometines labeled A/C or AC, which stand for Clear All.

You Press the key for number 2 then the key for the plus sign, then the key for 3. You get the result after you press = or ENTER or EXE on Casio calculators. Once you do, that the screen displays 5, the summ of 2 and 3.

Tu summarize (The content of each bracket [] is a key you press.

[2][+][3]= ----> 5 Addition: 2+3=5

[3][x][9]= ----> 27 Multiplication 3 times 9 equals 27

[1][8][/][2]= --->9 Division 18 divided by 2 equals 9

[3][3][-][9]= ---> 24

Hope you will enjoy using your calculator

Sep 01, 2009 | Monroe Office Equipment & Supplies

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