Drawing Vertical And Horizontal Lines; Freehand Drawing - Casio FX-9750G Quick Start Manual

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 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
w
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
y x x x
= ( + 2)( – 2)
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