Question about Casio FX-9860G Graphic Calculator

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My Casio FX-9860II calculator won't connect to the computer!

When I try to, it says: Either the calculator isn't connected (which it IS) or your calculator isn't set to receiving mode (which it is too).

my screen does say: Receiving... AC: Cancel.

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  • Anonymous May 22, 2009

    same ey

  • Adnan Bhatti
    Adnan Bhatti Oct 14, 2014

    What is the operating system of your PC? on which you intend to use FA-124. Is it 64 or 32 bit? I can help you if you supply this info first.



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Whether you are using the FA-124 USB software or the FX-interface, you must first click the OK button (on Computer) on the window that pops up when you instruct the software to receive from the calculator. After clicking the OK button you press the transmit menu or the F-D key for a hard-copy (screen capture).
If that works, transmission is OK. and you should read the software manual to figure out how to send to the calculator.

Usually you need the add-in installer, which you can download from the casio Web site.

Posted on Mar 28, 2010


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Posted on Jan 02, 2017


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1 Answer

How to change the T to X on Casio fx-9860ii, please help me:)) i have homework for tomorrow!

Change the graph type from parametric to function.
Press the Menu key then Graph. The type is displayed at the top Param.
Press the TAB Typ, then F1 to activate Y= type.
See the screen captures below.


When the default type is Y=, pressing the key X,Theta, T enters the varaible X.

Mar 20, 2013 | Office Equipment & Supplies

1 Answer

Can you calculate indefinite integrals on the casio fx-9860G

Unfortunately, the Casio FX-9860 G does not have a Computer Algebra System or CAS. For this reason it can only calculate definte integral over a given interval. The lower and upper limits must be supplied. The result will be a number.
Casio calculators that have a CAS are the Casio ClassPad CP330/ 300Plus/ 330, or the Algebra FX 2.0.

Feb 08, 2012 | Casio FX-9860G Graphic Calculator

1 Answer

My fx-9860GII would not connect to my computer. why is it?

You may be using the wrong cord, or you may lack the proper software to use it. If this is the case then you can get it from the link below.

Aug 23, 2010 | Casio FX-9860G Graphic Calculator

1 Answer

How to calculate 17^23mod55 in casio scientific calculator fx-991MS?

Using the Windows calculator in scientific view, we get:
17^23 = 19,967,568,900,859,523,802,559,065,713
which is 29 digits long, ie much longer than the capacity of most calculators.

Because both 17 and 23 are prime numbers, it isn't possible to simplify this calculation, so you will need to use find a calculator that has sufficient capacity to be able to handle numbers of this length.

The xnumbers add-in for Microsoft Excel can also be useful for this sort of calculation (do an internet search for it).

Using the Windows calculator, MOD55 of the above number is 18.

Jun 30, 2010 | Casio FX-115MS Plus Calculator

1 Answer

Connecting casio to texas instr

I compared two cables and noticed that they are identical. One insulating part on the TI cable is longer than the corresponding part on the Casio cable. But no matter, let us assume that the calculators share the same 2.5 mm connection.
You can verify the hardware compatibility as follows
  1. Use the Casio I/O cable to connect two TI calculators. The Casio cable wakes up the TI84PLus
  2. Use the TI I/O cable to connect to Casio calculators. The TI cable wakes up the Casio FX9550GII but not the CFX-9750GPlus nor the Graph 35. But that may not mean too much.
  3. Create a Matrix ( a 3X3 ) on one TI8xPLUS and transfer it to another TI8xPLUS using the Casio Cable.
  4. Create a small (3x3) matrix on one Casio C/FX-9750G/PLUS and transfer it to another C/FX-9750G/Plus.
  5. If you have been successful in any of the above you may try to transfer an object from a TI to a casio or from a Casio to a TI and the cable that worked above.
My feeling is that you cannot. I tried it
When I tried to transfer from a TI to a Casio, the Casio kept displaying RECEIVING , AC to cancel. The TI returned an Xmit ERROR
When I tried to transfer from a Casio to TI, the Casio quickly returned a Transmit Error, while the TI kept waiting for a transmission.

There may be other issues of memory organization, naming conventions, systems commands and program commands so on.

For each problem you want to have your students solve try to supply the procedures for both types of calculators. This, in my opinion, is the reasonable way to go. A benefit to you is that you learn the expert use of both types of calculators.
If you care to specify what kind of programs you intend to transfer from one to the other, one may be able to point you to some resources available on the web.

Apr 09, 2010 | Casio CFX-9850G Plus Calculator

1 Answer

Where can i get the driver or the connect it thingy

Here is the link. You can access it as guest.
Hope it helps.

Apr 03, 2009 | Casio FX-9860G Graphic Calculator

2 Answers

I need a manual for my Casio fx-260 solar calculator.

I have the User's Guide for fx-260SOLAR calculator
The manual is similar as for fx-82Solar calculator.
In Guide thei recomendet :
But website has moved to

Jan 20, 2009 | Casio FX-260 Calculator

1 Answer

My Casio fx-300ES won't power on.

2 causes for this kind of problem:

1. lose battery contacts
2. poor connection on its components on the motherboard. (needs to resoldered)

Mar 11, 2008 | Casio fx-300ES Calculator

2 Answers


I just bought mine and ran into the same problem. The fix is easy. First you need to make sure that the software is correctly installed. I installed mine and when trying to connect, couldn't. I had the unit turned on.

a. Because of reading the manual, I turned off my calculator - reconnected it to the computer via the cable. Had the CD (Casio CD) in the drive. The computer reinstalled the software after it auto-turned on the calculator and it worked.
b. Next time I ran into the problem. I had just had it connected to the computer and was editing a program. I exited the calculator and later tried to re-connect and couldn't.

I found that I had to make sure that the calculator is off. Also, you have to make sure that on the software (if it is open all the while) you hit the button at the left side window for the calculator that tells it to disconnect. If it is shown to be disconnected, the connect the calculator while off. It will auto-connect. The rest is easy.

Nov 19, 2007 | Casio FX-9860G Graphic Calculator

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