Drawing Pixels - Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book

Erasing Points with Pt-Off(
To erase (turn off) a drawn point on a graph, follow these steps.
1. Select (point off) from the
2:Pt-Off(
2. Move the cursor to the point you want to erase.
3. Press Í to erase the point.
To continue erasing points, repeat steps 2 and 3. To cancel
Changing Points with Pt-Change(
To change (toggle on or off) a point on a graph, follow these steps.
1. Select
3:Pt-Change(
2. Move the cursor to the point you want to change.
3. Press Í to change the point's on/off status.
To continue changing points, repeat steps 2 and 3. To cancel
Drawing Points from the Home Screen or a Program
(point on) turns on the point at (
Pt-On(
point on or off. is optional; it determines the point's appearance; specify
mark
= ¦ (dot; default)
1
Pt-On(x,y[,mark])
Pt-Off(x,y[,mark])
Pt-Change(x,y)
If you specified
Note: mark
the point with .
Pt-Off( Pt-Change(

Drawing Pixels

TI-84 Plus Pixels
A pixel is a square dot on the TI-84 Plus display. The
off, or reverse a pixel (dot) on the graph using the cursor. When you select a pixel instruction from
DRAW POINTS
(point change) from the
, ).
X=x Y=y
= › (box) = (cross)
2 3 +
to turn on a point with
does not have the
menu.
, press '.
Pt-Off(
menu.
DRAW POINTS
Pt-Change(
turns the point off.
Pt-Off(
, you must specify
Pt-On(
option.
mark
(pixel) instructions let you turn on, turn
Pxl-
Chapter 8: Draw Instructions
, press '.
toggles the
Pt-Change(
, , or , where:
1 2 3
when you turn off
mark
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