Question about Casio FX-9750GPlus Calculator
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Posted on Jan 02, 2017
SOURCE: how to grahic
To draw graphs.
This last one is obtained with the Zoom: Auto
Posted on Mar 29, 2010
SOURCE: i do not know how
Hey it is. Okay, so start with a equation: say, y = -(1 |x|). Now type y = -(1 , then press the [OPTN] button, next to the shift. Next press the [NUM] button or F5. The first menu button should be Abs or absolute value. When your done it should look like this. y = -(1 Abs (x)) then graph it.
Posted on Aug 30, 2010
SOURCE: Can I factor a polynomial
The short story is that this calculator does have a computer algebra system or CAS and thus cannot factor polynomials with arbitrary (unknown) coefficients or known coefficients.
However if the coefficients are given you can ,if you are willing to travel that way, factor approximately a polynomial P(x).
Basically, the idea is that any polynomial P(X) of degree n can be written in the factored form (X-x_1)(X-x_2)...(X-x_n), where x_1, x_2, x_3,...x_n are the roots (real or complex) of the equation P(X)=0.
The procedure ( for a 3rd degree polynomial) is as follows: (the fixYa site parser will remove the plus signs, so I am writing the whole word plus instead of the mathematical sign
If you want to factor a cubic polynomial P3(X) = aX^3 plus bX^2 plus cX plus d , you write the corresponding cubic equation as aX^3 plus bX^2 plus cX plus d =0 , then you divide all terms of the equation by a to obtain
X^3 plus (b/a)X^2 plus (c/a)X plus (d/a)=0.
You use the calculator to solve (approximately) this equation.
Suppose you find the 3 roots X1,X2,and X3. Then the polynomial X^3 plus (b/a)X^2 plus (c/a)X plus (d/a) can be cast in the factored form (X-X1)(X-X2)(X-X3) and the original polynomial P3(X) can be written as
P3(X) = a*(X-X1)(X-X2)(X-X3)
You can handle the quadratic polynomial the same way.
P2(X) =a*(X-X1)(X-X2) where X1, X2 are the two real roots.
To find the various roots you must use the solve( application.
Posted on Nov 14, 2010
SOURCE: on the casio fx-9750GII, how
The Matrix application share the same icon as the RUN. When you select the RUN/MAT icon you see a possibly blank screen at the bottom of which there is a TAB called >MAT. Press F1 and all available matrix tools will appear.
Posted on Jan 16, 2011
SOURCE: I have a Casio fx-9750GII,
From the Run Mode (select it and press exe), enter Setup (Shift Menu) and then highlight Angle. Press the function key that correponds to Deg and then press Exit.
The manual for the Casio Fx-9750GII is here: http://support.casio.com/manualfile.php?rgn=1&cid=004002013 . Other calculator manuals are here: http://support.casio.com/manuallist.php?rgn=1&cid=004 .
I hope this helps.
Posted on Jan 19, 2011
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