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Third degree equation - Canon F-719sg Scientific Calculator 4178b001

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How can i write this in my calculator example. 2x=10 the answer is x=5 but how can i put x in the calculator


What you want to do is solve the linear equation 2x=10 to find the value of the unknown x that makes the equality true. Solving an equation usually involves rearranging therms, factors and so on. However your calculator was not designed to handle the solution of equations, no matter how simple they are.
Some Casio scientific calculators can solve some types of equations (polynomials of degree 2 or 3, simultaneous linear equations in up to 3 unknowns). These are the FX-115 ES (Plus) and FX-991 ES (Plus C). Other equivalent models are sold in the world under different names.

Oct 16, 2013 | Casio FX350MS Scientific Calculator

1 Answer

Examples of homogeneous differential equation


Hi janeth sabay,

 

Have a good day!!

 

Here is your needed example for Homogenous differential equation:

 

The equation 49e8abf8a1c5be91fadbf33a5405bdc3.gif is said to be homogeneous if P and Q are homogeneous functions of x and y of the same degree.

cc966bdc4bb845d781e46c1ccf986b02.gif(1)

We can test to see whether this first order equation is homogeneous by substituting 21fe29cd49ecbd3abe2ae6373e89eab6.gif . If the result is in the form f(v)i.e. all the x's are canceled then the test is satisfied and the equation is Homogeneous.

Example 1:19c981882c1f9b05fadf586b56a931bc.gif(2)

d8be3b3ee65102c9f51076f6fbf371a4.gif(3)

There are no terms in x on the right hand side and the equation is Homogereous.Example 2:72f80f87eb510a9e0fd81c423b3faa55.gif(4)

b8821dedcc10e7738d072f6f0e2b7585.gif(5)

So the original equation is not homogeneous.Methods Of Solution.

A solution can be found by putting y = vx on both sides of the equation:-

Example 3:

fa23f299c6866eb1139d14429d91ce12.gif(6)

Putting y - vx

Since y is a function of x so is v

d362aad60b6e62347861fab3ab05ab83.gif(7)

e347d11784544bf8765eda8bd3aa2157.gif(8)

a058b0c3fd22a3f41faff3969f8e09ba.gif(9)

Separating the variables

06861c9f37042cd1ac9880600c5136b1.gif(10)

Integrating

eb1052106ddf0671b3ee898bce2279c8.gif(11)

0afc28b1b4e13dbe09c308d107327207.gif(12)

Substituting (12) in equation (10)

405d0e82aab0e4cb688a90b92a0dab77.gifI can suugest you also to visit this site for more examples http://www.codecogs.com/reference/maths/differential_equations/homogeneous_differential_equations.php

Sep 12, 2011 | Toys

1 Answer

How do I find the roots of a third degree function using my calculator?


Here is an example for a third degree polynomial. (Screen captures are from an FX9860 G SD, so there may be some differences in screen appearance, but the procedure is the same.)
Press the [MENU] key and select [EQN]
k24674_19.jpg

Select the type of equation to solve. Press [F2:Poly] for a polynomial.
k24674_20.jpg
Choose the degree of the polynomial. For a 3rd-degree press F2

k24674_21.jpg

Enter the coefficients in the template

k24674_22.jpg

and press [F1:SOLV]

k24674_23.jpg

Here is the solution for the case I took.

k24674_24.jpg

Press [F1:REPT] if you want to enter the coefficients of another polynomial.

Jan 26, 2011 | Casio FX9750GII Graphic Calculator

1 Answer

The sum of three is 90.find the number if the second number is 2 more than twice than first and third is two less than the sum of the first two.l


a+b+c = 90
b=2a+2
c= a+ b - 2

substitute the second equation in the third:

c = a + (2a +2 ) - 2 = 3a and use this result in the first equation:
a + (2a +2) + 3a = 90
6a = 88
a = 14.666666
b= 2a + 2 = 27.333333
c = 90 - b - a = 48

now go study by yourself and be a good boy or girl

Jan 15, 2011 | Computers & Internet

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 do you do algebraic equations and inequalities on this calculator? The keys and the instructions are too small to read.


You can use symbols (X,Y,A,B,C,D, and M, =) to create expressions to use in the SOLV program or to generate a table of values.

To type them you use [ALPHA] followed by the symbol you want. The symbols on the body of the calculator are of the same color as the ALPHA key. The [=] in expressions is different from the general = sign at the bottom of the keypad.

There are also some typical equations already in the calculator: simultaneous linear equation in 2 or 3 unknowns, and polynomial equations of 2nd and 3rd degree. They are accessed under the EQUATion Mode.

Jun 21, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How do you Factor a Polynomial on a Casio fx-300ES


Hello,
Sorry, but you cannot use this calculator to factorize a general polynomial.
1. It does not know symbolic algebra.
2. It can only manipulate numbers.

However if you have polynomials of degree 2 or 3, with numerical coefficients (no letters) you can set [MODE] to equation and use the equation solver to find the real roots of 2nd degree or 3rd degree polynomials. Assuming that your polynomials have real roots (X1, X2) for the polynomial of degree 2, or (X1, X2, X3) for the polynomial of degree 3, then it is possible to write
P2(X) =a*(X-X1)(X-X2)
P3(X)= a(X-X1)(X-X2)(X-X3)
This is an approximate factorization, except if your calculator configured in MathIO, has been able to find exact roots (fractions and radicals)
where a is the coefficient of the highest degree monomial aX^2 +...
or aX^3 +....

But I have a hunch that this is not what you wanted to hear.

Good luck.

Mar 08, 2009 | Casio fx-300ES Calculator

1 Answer

Garmin Hand held GPS Operation


v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 false false false MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} It’s hard to cover all the details in a forum like this but I’ll give you a quick primer. I can send you a powerpoint presentation that explains it in a little more detail. To really learn how to read latitude and longitude you should pick up a copy of “Chapman’s Piloting and Seamanship.”

The earth is divided into parallels of latitude and meridians of longitude, also known as lines of position.

clip_image002.jpg

Latitude is measured north and south of the equator, with the equator represented as 0 degrees, and the poles being represented as 90 degrees North or South. Latitude lines are paralel to the equator. For example, if I was at the equator I would be at 0 degrees. If I traveled exactly 60 nautical miles to the north, I would be at 1 degree North, and if I traveled another 60 miles I would be at 2 degrees north. Your GPS display will preface the Latitude measurement with an “N” for positions North of the equator and an “S” for positions south of the equator.

Longitude measures your position east or west from the Prime Meridian, which is a line represented as 0 degrees that bisects the earth from north to south and passes through Greenwich England. Halfway around the earth at the International Dateline Longitude is 180 degrees. Measuring Longitude is a little more complicated because the lines are not parallel and requires an accurate clock (your GPS) to compare time at your location relative to the time in Greenwich England. Your GPS display will preface the Longitude measurement with a “W” for positions west of Greenwich and an “E” for positions east of Greenwich.

To make more accurate measurements each degree is divided into 60 minutes. Because the lines are parallel, 1 minute of latitude is equal to 1 nautical mile. Each minute can be further divided into 60 seconds. Each second is roughly equivalent to a distance of 100’ Instead of seconds, the default setting on your Garmin breaks the minute down into tenths, hundredths, and thousandths for meven more precise measurements. Because they are not parallel, lines of Longitude are measured the same way, but the distances vary depending on how far north or south of the equator.

To find out where you are with a GPS, you need a map that shows lines of latitude and longitude on it. The lines will be labeled on the map or along the borders of the map. Most nautical charts show the latitude measurements along the right the left border of the map. Longitude measuremnts will be shown along the top and bottom edges.

Dec 16, 2008 | Garmin GPS 126 GPS Receiver

1 Answer

How to factor with this model


Hello,
Sorry, but you cannot use this calculator to factor a general polynomial.
1. It does not know symbolic algebra.
2. It can only manipulate numbers.

However if you have polynomials of degree 2 or 3, with numerical coefficients (no letters) you can set [MODE] to Equation and use the equation solver to find the real roots of 2nd degree or 3rd degree polynomials. Assuming that your polynomials have real roots (X1, X2) for the polynomial of degree 2, or (X1, X2, X3) for the polynomial of degree 3, then it is possible to write

P2(X) =a*(X-X1)(X-X2)
P3(X)= a(X-X1)(X-X2)(X-X3)


where a is the coefficient of the highest degree monomial aX^2 +...
or aX^3 +....

This is an approximate factorization, except if your calculator configured in MathIO, has been able to find exact roots (fractions and radicals)

While the [MODE][5:Equation] only handles quadratic and cubic equations, the [SHIFT][SOLVE=] solver finds the roots of arbitarry expressions (not limited to polynomials). In principle you can use it to find the roots of an expression. If it is a polynomial of dgree higher that 3 you can factor it (approximately).

But I have a hunch that this is not what you wanted to hear.

Hope it helps.

Dec 09, 2008 | Casio fx-300ES Calculator

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