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7-4 Draw Operations
While a graph is displayed, LINE( lets you use the cursor to define a line on the
graph. If a graph is not displayed, the instruction is copied to the Home screen.
To define a line directly on a graph:
1. When a graph is displayed, select
LINE(
from the
DRAW DRAW
menu (item 2).
2. Position the cursor at the beginning point of the line you
want to draw. Press
¸
.
3. Move the cursor to the end point of the line you want to
draw. The line is displayed as you move the cursor. Press
¸
.
To continue to draw lines, repeat steps 2 and 3. To cancel
LINE(
, press
M
.
LINE(
(
DRAW DRAW
, item 2) draws a line between the
coordinates (
X1
,
Y1
) and (
X2
,
Y2
). The values may be entered
as expressions.
LINE(
X1
,
Y1
,
X2
,
Y2
)
For example, enter
LINE(0,0,6,9)
on the Home screen, and
then press
¸
.
Drawing Lines
Directly on a
Graph
From the Home
Screen or a
Program