20 Most Recent Casio FX9750GII Graphic Calculator - Page 2 Questions & Answers


I believe you must rethink the design of your program
If you have several inputs that lead to a single result you want to keep for further calculations, enter the inputs, calculate your result and store in a variable. The intermediate variables can be set to zero (by precaution) and reused.
Use functions, and subroutines. Usually, in well designed programs, the scope of a variable defined inside a function or subroutine is local :It can't collide with the same name used globally (global scope). If a variable is no longer needed destroy it and reuse it..

Casio FX9750GII... | Answered on Feb 23, 2014


Sorry, it is not clear. When dealing with trigonometric equations, there are usually an infinite number of solutions. This is due to the trigonometric functions being periodic.

Casio FX9750GII... | Answered on Feb 05, 2014


Can it differentiate functions? Yes it can. More specifically, it can evaluate the 1st and 2nd derivatives of a given function at a given point (Numerical differentiation).
On any graphed function you can configure the calculator to display the first derivative. When tracing the curve, the 1st derivative is also shown at the trace point.

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For any function, not graphed

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Casio FX9750GII... | Answered on Jan 23, 2014


Hi Danny,

is it correct battery.
please check if it is good.

leave it a half an hour wit case opening or heat it with 10-20 secs with hair dryer and try again with good battery,

regards,
nuwan

Casio FX9750GII... | Answered on Jan 16, 2014


Create a list with the required dimension (n)
In Run>Mat, Press OPTN > F1:List
Using the keyboard , F3:Dim, and F1:List
Type in
n--->Dim List 1 (for example),
Using the F4:Fill and F1:List tabs enter
Fill(0, List 1) EXE

c357e075-0a30-4329-8912-eb404e5f81c7.png

Casio FX9750GII... | Answered on Jan 02, 2014


You can create two-element lists and store the results in them.
Create a list L1 with dimension 2
sr0b4cp8ae6y6amod1q5aaaaaelftksuqmcc
Calculate the Polar coordinates of the point (1,1);: just an example
7mkovlrx6jkrqmpymriijh8kpqrnpyrafpp02iev4atfbb+oqxuhiaaaaaelftksuqmccp9utpk2inc4aaaaasuvork5cyii=wgyjecgecgwahlgimmizbibdcoqyqqyjchgxq8n7iqtexsbiaaaaabjru5erkjggg==

The 1st element of List 1 is the radius, and the second element is the angle (in radians). Convert it to degrees if you wish. I won't do it.
Now you must extract each element and store it in the r, and theta variables, [ALPHA][x^2] (r) and [ ALPHA] [^] (Theta)
Extract radius and store in r. Extract angle and store in Theta.
lyqyj3hazrh1o+ddzh9acxrlx5qhpzwaaaaabjru5erkjggg==moz5bsraaaaaelftksuqmcc

To store the rectangular coordinates (x,y) do the same as above. I will leave this pleasure to you.
Note: I inserted screen captures from my calculator but I am not sure if the Parser will accept them. If it does not I will create an image file and insert it as media.



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Casio FX9750GII... | Answered on Dec 30, 2013


In Run>Mat screen (Menu 1) Press the OPTN key.
Press F4:CALC
Press F6>
Press F4:logab
Alternatively, In Run >Mat press [SHIFT] 4 to enter the CATALOG.
Press L to go to letter L in catalog, then scroll from there until you reach logab.

Casio FX9750GII... | Answered on Dec 04, 2013


Use the USB cable.
In the Link(ing) configuration set USB
Read the manual for more details.
Some software that is available is Screen Receiver by Casio

Casio FX9750GII... | Answered on Nov 22, 2013


You can use the SHIFTED [^] key (Xroot) . Enter the index of the root (4, 5, 6, nth), press [SHIFT][^] then the radicand.
You can also use the fact that nth-root is equivalent to a power (1/n)
30af298f-0560-4dbe-a92e-57e71c09c51b.png
dab32c08-7fa1-47e5-bd34-5cdf8df59908.png

Casio FX9750GII... | Answered on Nov 16, 2013


The F-D key converts a displayed result from fraction to decimal and vice-versa.
If in the polynomial expression a numerical coefficient is a fraction just enter it as a fraction, possibly enclosed in parentheses. If it is a decimal number just enter it as a decimal number. Converting it to a fraction is not going to generate any more precision in the result. You lose precision when you go from fraction to decimal, but you do not make a number more precise by converting it from a decimal representation to a fraction.

Casio FX9750GII... | Answered on Nov 16, 2013


Tell me where the key (or Submenu TAB) is and I will tell you how to use it. Apparently you were living in TI Planet and now have moved to Casio Planet and you need to adjust to the jet lag brought about by the transition.

In Run>Mat press [SHIFT][ MODE] to enter the (Setup).. On the 5th line: Derivative set the selection to ON.
Press Menu then Graph. Enter a function, validate and press F6:Draw.
Once graph is draw press the F1:trace key. A CROSS appears on the graph indicating the default starting position. At the bottom of the screen you see X=, Y=, and dY/dX=
The last one is obviously the value of the derivative at the position of the cross. Move the cursor to another point to see the values X, Y, and dY/dX.
You can also enter a value of X to find Y and dY/dX. Make sure the X-value you enter is in the interval between Xmin and Xmax, the window limits.

Casio FX9750GII... | Answered on Nov 04, 2013


If the table contains experimental (statistical) data that you gathered and put in a table on the calculator, then I am sorry to say that if table is deleted there is no way to get the data back. You will have to renter it.
However if it is a table connected to a function you graphed then the table can be regenerated: Type in the function anew, press the table function key, then graph it.

Casio FX9750GII... | Answered on Oct 19, 2013


The derivative of sin(cos(x)) dx is cos(cos(x))-sin(x). Unfortunately the fx-9850GII doesn't do symbolic differentiation so you'll have to get this result some other way. I cheated and used a calculator from another manufacturer, one that does do symbolic differentiation.

Casio FX9750GII... | Answered on Oct 18, 2013


Here how it is done. Don't mind the calculator it was done on. On your you may have systems of up to 3 linear equations.
Follow the screen captures. I do not think any additional comments are warranted. Pressing the F1 key (REPT)-- see last screen capture--allows the user to repeat the solution with the same coefficients or other ones (different system)

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Casio FX9750GII... | Answered on Oct 11, 2013

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