Question about Casio FX-115ES Scientific Calculator

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Posted on Jan 02, 2017

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SOURCE: how can we do linear interpolation in casio fx-991ES calculator

how solve interpolation by casio fx 991 ex

Posted on Nov 28, 2010

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SOURCE: how do i enter linear

You can enter equations of any type. Read the rest of the post. Keep in mind that if you are using the Solve( function X must be the unknown. If you are using the Table computational mode, X is the independent variable and Y the dependent one.

The variables you have at your disposal in this calculator are

A,
B,C,D,X,Y,M. All of them are accessed by pressing the [ALPHA] key
before the key near which is written the name of the variable. You will
notice that the markings of the symbols accessed with the [ALPHA] key
are of the same color as that of the [ALPHA] key.

You will notice also that there are two = signs.

The one at the bottom right executes the command line. By pressing it you find the result of the expression just entered.

The
other = sign is marked on the body of the calculator with the same
color as the [ALPHA] key. It is located at the top left of the keyboard
(excluding the row with SHIFT, MODE, the navigation buttons)

Example to enter X^2-2X-35=0 you proceed as follows.

Direct access physical keys are in [ ],

[ALPHA] (X) [X to power 2] [ - ] [2] [ * ][ALPHA][(X) [ - ] [3][5] [ALPHA] (=) [0]

Usually
when you enter such an expression it is with the intention of solving
it for X. By default X is taken to be the UNKNOWN. You will be prompted
to enter the value assigned to any other letter symbol (Y, A,B,C,D).

So,
if you want to use the Solve function, you enter the equation you are
dealing with, and before pressing anything else, press [SHIFT] [CALC]
and
the calculator will ask you a question: "Solve for X?" , and you press
the = sign at the bottom right.

Then you will be prompted for any
other non-X letter. Once all non-X variables (if any) are given values,
the calculator will return with the solution. You will see on the screen
L-R= (should be zero if you are lucky).

Posted on Nov 16, 2010

SOURCE: Hello, I have a calculator

the mode key is giving error and the number keys are not working

Posted on Aug 02, 2011

SOURCE: solving linear equations in 3

Press key Mode, first select option 5:EQN (by pressing key 5), then option 2: a_nX+b_nY+c_nZ=d_n (by pressin 2).

Now input coefficients from equations in table (each column is for one variable), just type in number and press =, then use arrows to move to another cell.

Posted on Sep 05, 2011

https://www.youtube.com/watch?v=rCVM6RWMjQ4

Jan 7, 2015 - Uploaded by Yabets Jab

In this video you can simply understand how to find a value of a given missing number in a table on Casio fx ...Missing: 4800p

https://www.youtube.com/watch?v=OGmHagjZPjg

Oct 31, 2012 - Uploaded by cpobyrne1

How to perform a linear regression on a Casio scientific calculator. Example uses a ... A Casio fx-83WA calculator is used for the demonstration. .... Lagrange Interpolation Easily Explained on Casio fx-991ES Calculator!Missing: 4800p

Jan 05, 2016 | Casio Office Equipment & Supplies

Sorry, I don't have that calculator, but let's see if we can work this out. "Linear Interpolation" means find the value of y for a given value of x from a line of best fit, within the range of values that you are given.

Hopefully, this helps. If not, let me know and we will explore more.

Good luck,

Paul

Hopefully, this helps. If not, let me know and we will explore more.

Good luck,

Paul

Apr 22, 2015 | Casio Algebra FX 2.0 Calculator

Press [MODE][3][2]. In first column enter known x-coordinates (1 and 5), in second known y-coordinates (2 and 6). The solution you are looking for is in form Y=A+B*X where X=3. Your calculator computes A and B after you enter data. To calculate Y (which is equal to A+B*3 press [SHIFT][1][7][1][+][SHIFT][1][7][2][*][3][=]. The result should be 4.

If I helped you, please rate my answer :)

If I helped you, please rate my answer :)

Sep 07, 2011 | Casio FX-115ES Scientific Calculator

Press key Mode, first select option 5:EQN (by pressing key 5), then option 2: a_nX+b_nY+c_nZ=d_n (by pressin 2).

Now input coefficients from equations in table (each column is for one variable), just type in number and press =, then use arrows to move to another cell.

Now input coefficients from equations in table (each column is for one variable), just type in number and press =, then use arrows to move to another cell.

Sep 02, 2011 | Casio FX-115ES Scientific Calculator

its simple

press mode

3;stat

2;A+Bx

l x l y l

l 2 l 4.6 l

l 4 l 5.9 l

press; AC

press;5.9

press; shift

press;1

press;7 (reg)

press;5 (comma)

press;=

u will get ans

press mode

3;stat

2;A+Bx

l x l y l

l 2 l 4.6 l

l 4 l 5.9 l

press; AC

press;5.9

press; shift

press;1

press;7 (reg)

press;5 (comma)

press;=

u will get ans

Feb 08, 2011 | Casio FX-115ES Scientific Calculator

What do you mean by "solve a matrix"? Find the inverse? Find the determinant? Find the solution to a system of linear equations? Within limits the fx-115ES can do any of these and more.

The procedures are described in the "Matrix Calculations" section of the manual. If you still have problems, please reply to this post specifying what you want to do.

The procedures are described in the "Matrix Calculations" section of the manual. If you still have problems, please reply to this post specifying what you want to do.

Nov 18, 2010 | Casio FX-115ES Scientific Calculator

(-19) + 9 + (-3)

Oct 25, 2010 | Casio FX-115ES Scientific Calculator

the mode key is giving error and the number keys are not working

Oct 07, 2010 | Casio FX-115ES Scientific Calculator

how solve interpolation by casio fx 991 ex

Jun 12, 2010 | Casio FX-115ES Scientific Calculator

Sorry, but you cannot calculate limits of functions with this calculator. It does not have a Computer `Algebra System (CAS). For that you need a graphing calculator with CAS: Casio ClassPad 300, 300PLUS, 330, HP 48 GII, HP49 G/ G+, HP 50G, TI-NSPIRE CAS, TI89 Titanium, TI 92/92PLUS, TI Voyage 200 PLT. It is still a very good scientific (non graphing) calculator

However, you can calculate numerical derivatives, and numerical integrals, solve linear and non-linear equations.

Even though this post does meet your expectations, do not let that prevent you from rating it.

However, you can calculate numerical derivatives, and numerical integrals, solve linear and non-linear equations.

Even though this post does meet your expectations, do not let that prevent you from rating it.

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

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