Operation Manual

8-4
DRAW
Operations
8208DRAW.DOC TI-82, Chapter 8, English Bob Fedorisko Revised: 02/09/01 12:23 PM Printed:
02/09/01 3:30 PM Page 4 of 16
Drawing Lines
While a graph is displayed, Line( lets you define a line on the graph using the
cursor. If a graph is not displayed, the instruction is copied to the Home screen.
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
Í
.
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
Í
.
To continue to draw lines, repeat steps 2 and 3. To cancel
Line(
, press
‘
.
From the Home Screen or a Program
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,
Line(0,0,6,9)
displays:
To erase a line:
Line(
X1
,
Y1
,
X2
,
Y2
,0)
For example,
Line(2,3,4,6,0)
following the instruction above displays: