Texas Instruments TI-89 Titanium User Manual page 479

Drawing a Point or a Freehand Line
From the Graph screen:
1. 2 ‰
and select
1:Pencil
2. Move the cursor to the applicable
location.
To draw a:
Point (pixel-sized)
Freehand line
When drawing a freehand line, you can move the cursor diagonally.
Note:
After drawing the point or line, you are still in
mode.
Pencil
• To continue drawing, move the cursor to
another point.
To quit, press N.
•
If you start drawing on a white pixel, the pencil draws a black point or line. If you
Note:
start on a black pixel, the pencil draws a white point or line (which can act as an eraser).
Additional Graphing Topics
.
Do this:
¸
Press .
¤
Press and hold
the line.
, and move the cursor to draw
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