Question about Casio CFX-9850G Plus Calculator

Problem with casio calculator, model 9850g plus

Hi!! My casio calculator, model 9850g plus, have a problem.. It have just two options for equation calculations, the first one linear equation with two to six unknows, and the second quadratic and cubic equation, and i want to know where is my solve calculations option??? and how i can to get it again??

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The Solve( command can be accessed in RUN mode by pressing the OPTN button.
In the screen that is then displayed are TABS (at the bottom).
Press [F4:CALC] then [F1:Solve]
The command echoes on the screen, ready to be completed and executed.

Posted on Jul 25, 2010

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To convert a complex number (not an equation) from rectangular coordinates to polar coordinates you do as follows
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You are making an assumption that is unwarranted.Namely that a cubic equation must necessarily have 3 real roots. This is not the case.

If coefficients are complex you should expect some complex roots. Right?
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May 05, 2010 | Casio CFX-9850G Plus Calculator

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http://support.casio.com/manualfile.php?rgn=1&cid=004002005

May 03, 2010 | Casio CFX-9850G Plus Calculator

WhAT IS AN Ma error

Hello,
It is an abbreviation for mathematical (calculation ) error:
You did not actually ask about how to cure the problem, but here it is.

1.Calculation exceeds calculation range.
2.Calculation outside the input range of a function
3. Illogical operation (division by 0)
4. Poor precision is Sigma calculations (stats)
For all the above check input values.

5. Poor precision in differential calculation results (derivatives:decrease the delta, the step)
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Take your pick of the above:Only you know what you were doing before the error condition arose.
Hope it helps satisfy your curiosity.

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Hello,
You will find it on the same screen where you find the regression equation, the regression coefficients etc. However it is not defined for certain types of regressions.
Hope it helps.

Sep 26, 2009 | Casio CFX-9850G Plus Calculator

Where to get free owners manual for casio cfx-9850g

Hello,
Here is the link to all chapters in the book. You may want to use a pdf creator to lump them all in the same book.

http://support.casio.com/manualfile.php?rgn=1&cid=004002005

Hope it helps.

May 27, 2009 | Casio CFX-9850G Plus Calculator

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