Casio CFX-9800G-w - Color Graphing Calculator Manual de usuario descargar pdf (Pagina 2)

GRAPH ICON

[MENU] [5]

GRAPHS: Rectangular, Polar, Parametric, X= constant, and Inequality

SELECT:

Press [MENU], then choose the GRAPH ICON.

SOFT MENU:

[SEL] Select the equation you do not want to graph.

Turn stored equations "on" or "off"

[DEL] Delete stored equations.

[TYPE] Choose Type of graphs:

Rectangular, Polar, Parametric, X= constant, or Inequality

[COLR] Choose the COLOR of an equation’s graph (only available on the CFX 9850)

[GMEM] Store current list of equations, and view window into 1 of 6 graph memories

[DRW] Draw selected graphs.

SET THE VIEWING WINDOW FOR YOUR GRAPHS

[SHIFT] [F3] V-WIN. Notice that V-Window is written above [F3] key

**Choose from 3 built in viewing windows or save/recall your 6 favorite viewing windows.

[F3] STANDARD for this example.

HOW DO YOU GET BACK TO THE LAST SCREEN?

[EXIT] when your choice matches the screen to the right. This is the “std” or standard window.

MATH PROBLEM

Your school’s goal is to make $5 in profit today by selling notebooks at the school store. The selling price of the notebook is

$2. Each notebook costs the store $1.25. How many do they have to sell to make the $5 profit?

If, PROFIT = TOTAL REVENUE - TOTAL COST and X is # of note books sold and Y is PROFIT

Then, PROFIT = ($2· X) - ($1.25· X) or Y = 2X - 1.25X

Graph to find the solution…….what is X when Y (Profit) is 5?

NOW ENTER YOUR EQUATIONS…

2 [X] [-] 1.25

[X]

[EXE]

[5]

[EXE]

[F6]-draw

Enter this equation beside Y1.

Use the [X,θ, T] key for X.

Stores equation (read screen) and moves to Y2

Enter 2

equation beside Y2

Stores

Draws graph

Graph Analysis:

What’s X when Y is 5?

[SHIFT]

[F1]-(TRCE)

Activates yellow operations above [F1]-[F6] keys.

(You don’t have to press shift to access [F1]-[F6] when looking at the graph.)

TRACE: Moves the cursor along function curve to view the coordinates.

Tracing ALWAYS begins on the far left of the screen, and is not always

visible.

OTHER GRAPH ANALYSIS FEATURES INCLUDE:

[F2]-(ZOOM) ZOOM Zooms in or out on graph screen.

[F3]-(SKTCH) Sketch Draw lines, circles, text, points, etc.

[F4]-(G-SLV) Graph Solve Finds points of interest on the graph.

[F5]-(G-T) Graph to Text toggle Switches b/t full size graph &

equations.

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Casio CFX-9800G-w - Color Graphing Calculator Manual de usuario Pagina 2

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