Casio CFX-9850G PLUS Function Manual page 11

k k k k k Drawing Vertical and Horizontal Lines
The procedures presented here draw vertical and horizontal lines that pass
through a specific coordinate.
u u u u u To draw vertical and horizontal lines in the STAT, GRAPH, TABLE,
RECUR and CONICS Modes
Example To draw a vertical line on the graph of
1. After drawing a graph, display the sketch menu and then press 6 (g) 4
(Vert) to display the pointer along with a vertical line in the center of the screen.
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.
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.
u u u u u To 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
x
Vertical < -coordinate>
• To draw a horizontal line
y
Horizontal < -coordinate>
k k k k 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
[Sketch]-[Vert]/[Hztl]
y x x x
= ( + 2)( – 2)
[Sketch]-[PEN]
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