Casio CFX-9800G-w - Color Graphing Calculator Instrukcja Użytkownika Pobierz pdf (Strona 3)

GRAPH SOLVER

While viewing the graph…

[SHIFT][F5] G-Solve: Graphic solver: Roots, Max, Min, Y-intercept, Intersection, MORE

x calculate, y calculate, integral.

[F5] INTERSECTION We have 2 curves, so it automatically finds the point.

*Wait about 10 seconds. Watch cursor move across the screen.

With 3 + equations, use up/down arrows to indicate which

equations you

want to find the intersection of. Select by pressing [EXE] as the 1

equation

shows in the upper left hand corner. Use arrows then select the 2

equation.

REMEMBER this is a graphic solver that uses pixels to find answers.

Therefore answers may not be perfectly exact, and might be off by .00000001.

Use a “built in” range or multiples of it for an exact answer.

[SHIFT] [F5]

[F1]

[×] [Ø]

[EXE]

[Õ] [Ö]

Back to GRAPH SOLVER

ROOT

Scrolls through equations. Choose Y1!

Press [EXE] on the equation for which you want to find the root. Ex. Y1

-Wait a minute (watch “think” indicator: top right of screen).

-Root appears if there is one.

Finds next ROOT. Wait 10 seconds. In this case there is no second root.

[ ]

[F2] [F1]

[Ø]

[F2] [F1]

Go back to the graph function list. What do you press?

DELETE GRAPH Y1

Highlight Y2

Delete Y2

INEQUALITY GRAPHS

[F3]

[F6]

[F2]

[sin] [X] [+] [2]

[EXE]

Equation TYPE

more options

less than

HIGHLIGHT Y1

Begin typing 1

equation to be Y1 < sin X + 2

Stores

[F3]

[F6]

[F1]

[cos] [X] [-] [2]

[EXE]

[F6]

Equation TYPE

more options

greater than

equation is Y2 > cos X - 2

Stores

Draw

*If you want to save an equation (or equations), use [F5] GMEM to store.

*If you want to keep an equation in the list, but not draw it, use [F1] SEL to select or deselect an equation.

TROUBLE SHOOTING

Graph won’t draw… Is it selected?

Did you use the multiply “x” instead of the variable “x”?

Did you use the negative instead of the subtraction sign?

Trig curve is a straight line… Angle is set to degrees not radians

To EDIT an equation… Highlight the equation you want to edit, then press right or left arrow keys.

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Casio CFX-9800G-w - Color Graphing Calculator Instrukcja Użytkownika Strona 3

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