Casio fx-9750G Sketch Function Instrukcja Użytkownika Pobierz pdf (Strona 13)

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k Drawing Vertical and Horizontal Lines

The procedures presented here draw vertical and horizontal lines that pass through

a specific coordinate.

uTo draw vertical and horizontal lines in the STAT, GRAPH, TABLE,

RECUR and CONICS Modes

Example To draw a vertical line on the graph of y = x(x + 2)(x – 2)

1. After graphing the function, display the sketch menu and perform the following

operation to display the pointer and draw a vertical line through its current loca-

tion.

!4(Sketch)6(g)4(Vert)

2. Use the d and e cursor keys to move the line left and right, and press w to

draw the line at the current location.

e ~ e

To draw a horizontal line, simply press 5 (Hztl) in place of 4 (Vert), and use the

f and c cursor keys to move the horizontal line on the display.

uTo draw vertical and horizontal lines in the RUN or PRGM Mode

The following is the syntax for drawing vertical and horizontal lines in these modes.

• To draw a vertical line

Vertical <

x-coordinate>

• To draw a horizontal line

Horizontal <y-coordinate>

k Freehand Drawing

This function lets you make freehand drawings on a graph, just as if you were using

a pen.

• Freehand drawing is available only in the STAT, GRAPH, TABLE, RECUR and

CONICS Modes.

Graphing with the Sketch Function 10 - 2

1 2 ... 8 9 10 11 12 13 14 15 16

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Casio fx-9750G Sketch Function Instrukcja Użytkownika Strona 13