Question about Casio FX-9860G Graphic Calculator

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This simple calculator can barely perform single operations on complex number, and cannot solve linear equations with complex coefficients.

Posted on Oct 29, 2013

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Posted on Oct 21, 2013

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Posted on Jan 02, 2017

SOURCE: mode change

Hello,

Just so that we know what we are talking about. The natural display is the display mode in which fractions appear on two lines, radicals appear as radicals, log can be calculated in any base, etc. If that is what you understand by Natural Display, we are in agreement.

To set this mode, you turn calculator ON and press [SHIFT][MODE] (setup). The option is called MathIO, and it has the number 1.

Thus [SHIFT][MODE][1:MathIO].

Hope it helps.

Posted on Oct 13, 2009

SOURCE: when i press the MODE button in my CASIO fx - 911ES

Hello,

Just in case : Press [SHIFT][CLR] (9) [3: ALL] to reset the calculator and try [MODE] again.

If that does not work, your calculator may be defective or a fake (not the genuine article). If at all possible, return it to where you bought it and get a refund.

Here is a picture of the FX-115ES, its face looks like the 991ES. Hope I am mistaken.

Posted on Oct 18, 2009

SOURCE: can you show how to convert pola to rectangular o

Hello,

To avoid errors make sure that the angle unit is THE ONE required by your problem. To verify or to change the angle unit press [SIFT][MODE] and select [3: Deg] for degrees, [4:Rad] for radians, or [5:Grad] for grads.**Convert from rectangular to polar **

[SHIFT][+] (Pol) . Screen displays **Pol(**

You enter the X-coordinate, and the Y coordinate separated by a comma, then you close the parenthesis and press [=].

Exemple: Polar coordinate of the point (1,1)

Pol( 1, 1) gives

r=1.414213562 (square root of 2)

θ=45

Here is how you enter it

Press [SHIFT][MODE][2:LineIO]

[SHIFT][POL] 1 [SHIF] [,] 1 [)] [=]

The screen displays**Pol(1,1)****r= 1.414213562θ= 45 **

Rec ( radius, angle) =

Exemple: Recatngular coordinates of (r=3, θ=60°)

The screen displays

X= 1.5

Y= 2.598076211

Hope it helps.

Posted on Nov 15, 2009

Testimonial: *"thanx that was very helpful"*

SOURCE: How can I solve a matrix on my Casio fx-9750GA

Hi,

If you have mastered matrix manipulations on the TI calculators, it should be a breeze to learn the same on the Casios.**A. Define the matrix (Create it)**

- Turn calculator ON.
- Press Menu,select the MAT icon and press [EXE]
- You see a list of possible matrix labels (A, B, C,D,E,F)
- All that have not been created have a "none" to their right
- Highlight a matrix name and press the right arrow. Where there was "none" , you have a template 0x0.
- That is where you specify the dimensions (mxn). exemple. 2x2
- Enter the first dimension and press [EXE]
- Enter the 2nd dimension and press [EXE]
- A matrix template opens where you enter the coefficients left to right and up down.
- After each coefficient press [EXE]. Cursor moves to the next coefficient, etc.

Press [SHIFT][QUIT] to return to the list of matrices to create new ones

Once you have one matrix, you can do operations on it: Calculate the determinant (if matrix is square), calculate its inverse, transpose, augment it, fill it, etc..

- These operations are accessed as follows.
- Quit the matrix editor by pressing [Menu] and selecting the [Run] application.
- Press [OPTN][F2:MAT]
- You have the menus Mat,M(atrix)->L(ist), Det(erminant), Trn (transpose), Aug(ment) ->, Iden(tity),Dim(ension) Fill

- You press the [OPTN][F2:MAT] key sequence (just above)
- Press [F3:Det]; the command
**det**is displayed on screen. - Press [F1:Mat] the identifier
**Mat**is displayed. - Press [ALPHA] A; screen display
**det Mat A**. - Press [EXE] to get the value of the determinant.

[OPTN][F2:MAT] (MAT) [Alpha] A ^2 [EXE]

Product of two compatible matrices MatAXMatB

[OPTN][F2:MAT] (MAT) [Alpha] A [* ) (MAT) [ALPHA] B [EXE]

Hope it helps.

Thank you for using FixYa.

Posted on Nov 23, 2009

SOURCE: how to solve for a

There is no button but a menu tab.

In
Run screen, enter the number whose factorial you want to calculate (
number can be at most equal to 69), press [OPTN][F6] to get to next page of menus.

For factorials

- Press then [F3](PROB) then [F1] (x!) followed by [EXE].

- Press then [F3](PROB) then[F3][nCr][EXE]

- Press then [F3](PROB) then[F2][nPr][EXE]

Posted on Oct 01, 2010

Here's how to use the MU/MD key. Say you want your item that COSTS you $120 to be priced such that you end up with a 40% margin. MU'MD calculates the final price to achieve the margin.

Enter: 120 X

Enter: 40 MU'MD

Result: 200.00

Proof: 200 - 120 = 80 / 200 = 40%

Essentially the same as using the COST/ SELL/ MAR keys.

The Casio HR-100Tm manual is pretty pathetic. Expected a better one on their website, but alas.

Enter: 120 X

Enter: 40 MU'MD

Result: 200.00

Proof: 200 - 120 = 80 / 200 = 40%

Essentially the same as using the COST/ SELL/ MAR keys.

The Casio HR-100Tm manual is pretty pathetic. Expected a better one on their website, but alas.

Jan 03, 2017 | Casio HR-100TM Printing Calculator - 12...

I will assume that the percentage is per volume (20% per volume, 40 per volume.

Let**x **be the number of liters of the 20% solution.

What is the volume of alcohol in x-liters @20%?----->** .2x**

What is the volume of alcohol in the 40 liters of solution @ 50%? Obviously**20 liters.**

**Amount of alcohol in the two solutions =.2x+20**

After you mix the two solutions what is the resulting volume?

Resultant volume=**x+40**

Percentage of alcohol in final solution: 30% or 0.3

**Quantity of alcohol in final solution =.3*(x+40)**

When mixing the two solutions, no alcohol is lost:** The amount of alcohol before mixing is equal to the volume of alcohol after mixing **

** (.2*x+.5*40) =.3*(x+40)**

Solve this equation for x. (Show your work) You get **x=36 Liters. **

Check the result by replacing x in the equation.

Let

What is the volume of alcohol in x-liters @20%?----->

What is the volume of alcohol in the 40 liters of solution @ 50%? Obviously

Resultant volume=

Nov 12, 2013 | Casio FX-300MS Calculator

cim network pin cod give me plees sony st25i

Jan 26, 2013 | Sony Xperia U St25i Black 1 Additional...

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 .

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

I had this problem with the Casio 2926 at midnight for many weeks and no matter which buttons I pressed, it carried on.

I solved it on my model, by going into alarm set mode (AL) by toggling button on lower left of watch face. Then using button on lower right, cycle through all (5?) alarm options and also check the tiny screen new the rim at top right of watch face marked with SNZ ALM SIG. If a little black box shows up on this screen, switch off the alarm or snooze, by pressing the button on top right.

Otherwise go to Casio and go through their instructions. The watch is not designed for easy use.

I solved it on my model, by going into alarm set mode (AL) by toggling button on lower left of watch face. Then using button on lower right, cycle through all (5?) alarm options and also check the tiny screen new the rim at top right of watch face marked with SNZ ALM SIG. If a little black box shows up on this screen, switch off the alarm or snooze, by pressing the button on top right.

Otherwise go to Casio and go through their instructions. The watch is not designed for easy use.

Oct 28, 2010 | Casio Sea-Pathfinder SPF40-1V Wrist Watch

For all Casio watches go to www.casio.com select "Support" then "Manuals" then "Watches".

You will then be able to enter the 4 digit number in the square box to get the manual for your watch or module inside is actually what the instructions refer to.

The problem of changing functions automatically is called "Auto Display" and can be stopped and started in Sea-Pathfinder SPF-40 (modue 2273) by pressing the bottom left button for 3 seconds.

You will then be able to enter the 4 digit number in the square box to get the manual for your watch or module inside is actually what the instructions refer to.

The problem of changing functions automatically is called "Auto Display" and can be stopped and started in Sea-Pathfinder SPF-40 (modue 2273) by pressing the bottom left button for 3 seconds.

Nov 13, 2008 | Casio Sea-Pathfinder SPF40-1V Wrist Watch

According to the manual for the Casio FX115ES, the largest matrix it solves is a 3x3.

Sep 06, 2008 | Casio FX-115ES Scientific Calculator

Your Watch is in Auto or demo mode. Hold down the "Mode" button for 3 - 5 seconds and it will return to time keeping mode.

Cheers,

Murray

Cheers,

Murray

Nov 19, 2007 | Casio PRG-40T-7 Pathfinder

To tell you the truth.....NO. You can buy a new casio camera for cheaper than fixing your old QV. Alot of times too the QV isn't going to be compatible with XP or VISTA.

Oct 26, 2007 | Casio QV-R40 Digital Camera

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