Operation Manual

8-12
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 12 of 16
Drawing Points
To display the DRAW POINTS menu, press
y
<
~
. What happens when you
select an item from this menu is dependent on whether or not a graph is
displayed when you access the menu, as described under each operation.
DRAW POINTS Menu
DRAW POINTS STO
1: Pt-On(
Turn on a point.
2: Pt-Off(
Turn off a point.
3: Pt-Change(
Toggle a point on or off.
4: Pxl-On(
Turn on a pixel.
5: Pxl-Off(
Turn off a pixel.
6: Pxl-Change(
Toggle a pixel on or off.
7: pxl-Test(
Return 1 if pixel is on, 0 if off.
Directly on a Graph
1. When a graph is displayed, select
Pt
.
On(
from the
DRAW POINTS
menu.
2. Position the cursor at the location on the display where you want to
draw the point. Press
Í
. The point is drawn.
To continue to draw points, repeat step 2. To cancel
Pt
.
On(
, press
‘
.
Pt-Off(, Pt Change(
The procedure for using
Pt
.
Off(
(point off) to turn off (erase) a point and
Pt
.
Change(
(point change) to toggle (reverse) a point on and off is the
same as for
Pt
.
On
.
Pt
.
Off(
X
,
Y
)
Pt
.
Change(
X
,
Y
)
From the Home Screen or a Program
Pt
.
On(
(point on) turns on the point at (
X
=
X
,
Y
=
Y
).
Pt
.
On(
X
,
Y
)